Materials

Resins and Filled PTFE Compounds

We Offer The Following Resins and Filled PTFE Compounds:

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• Virgin TFE

  Teflon^® PTFE

  TECHNICAL DESCRIPTION

  Teflon^® is a plastic that offers high chemical resistance, low and high temperature capability, resistance to weathering, a low coefficient of friction, and electrical and thermal insulation.

  GENERAL PROPERTIES

  Teflon^® mechanical properties are low compared to other plastics, but its properties remain at a useful level over a wide temperature range of of -100°F to +500°F (-73°C to 260°C). Mechanical properties are often enhanced by adding fillers (see paragraph below). It has excellent thermal and electrical insulation properties and a low coefficient of friction. PTFE is very dense and cannot be melt processed -- it must be compressed and sintered to form useful shapes.

  FILLED GRADES

  PTFE's mechanical properties can be enhanced by adding fillers such as glass fibers, carbon, graphite, molybdenum disulphide, and bronze. Generally, filled PTFE's maintain their excellent chemical and high temperature characteristics, while fillers improve mechanical strength, stability, and wear resistance.

  TEFLON is a registered trademark of DuPont.

• Virgin TFM

  TFM^TM Modified PTFE

  GENERAL DESCRIPTION

  TFM^TM PTFE is a chemically modified PTFE that offers enhanced properties for the electrical, mechanical, automotive, semiconductor and chemical industries, while retaining all the proven advantages of conventional PTFE.

  KEY FEATURES

  * Lower deformation under load (reduced cold flow)
  * Improved compression stress relaxation (recovery)
  * Improved surface finish
  * Denser polymer structure with fewer voids
  * Reduced permeability

  DYNEON^TM TFM^TM

• Typical Filler Properties

  FILLER	PHYSICAL FORM	AMOUNT (% WEIGHT)	EFFECT OF FILLER
  Glass Fibers	Milled Fibers	Up to 40% (also in combination with - graphite, MoS2, and carbon)	• increased wear resistance • increased compressive strength • reduced cold flow • resistant to organic solvent • increased rigidity
  Carbon	Powder	Up to 35% (also in combination with graphite, bronze, and glass)	• increased compressive strength • increased hardness • increased wear resistance • improved thermal conductivity • good dry running properties • electrically conductive at higher filler contents • resistant to hydrofluoric acid
  Carbon Fibers	Milled Fibers	Up to 30%
  Graphite	Powder	Up to 25% (also in combination with glass, bronze, and carbon)	• Improved sliding properties • Reduced coefficient of friction • Improved thermal conductivity
  Bronze	Powder	Up to 60% (also in combination with carbon, graphite, and MoS2)	• Increased compressive strength • Increased hardness • Increased wear resistance • Improved thermal conductivity • Reduced cold flow
  Molybdenum Disulfide (MoS2)	Powder	Up to 5% (also in combination with glass and bronze)	• Improved sliding properties • Increased wear resistance
  Stainless Steel	Powder	Up to 60%	• Improved thermal conductivity • Reduced cold flow • Resistant to most chemicals
  Polymers	Powder	Up to 20% (also in combination with inorganic fillers)	• Increased wear resistance • Not abrasive to mating surface • For soft mating surfaces
  Pigments	Powder	Up to 2%	• For coloring (identification)

Special Blends and Colors are Available Upon Request

Industrial Plastics

We Also Offer The Following Industrial Plastics:

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• Acetal/Delrin^® DuPont

  Acetal/Delrin^®

  GENERAL PROPERTIES

  Acetal is the common name for a family of thermoplastics with the chemical name "PolyOxy-Methylene". Acetal is available in a general purpose copolymer grade, a homopolymer version (Delrin®), and several filled Delrin® grades. Acetal provides high strength and stiffness, enhanced dimensional stability, and is easy to machine. As a semi-crystalline material, acetal is characterized by a low coefficient of friction and good wear properties.

  FEATURES

  *High strength, stiffness, dimensional stability
  *Very low moisture absorption
  *Good wear and abrasion resistance
  *Wide range chemical resistance (including many solvents)
   

  ACETAL GRADES

  ACETAL COPOLYMER (unfilled)

  The copolymer grade offers excellent performance at a slightly lower cost than Delrin®. Acetal copolymer may exhibit center line porosity, but porosity-free material is available. Certain grades are FDA, USDA, NSF, Canada AG and 3-A Dairy compliant. Low stress levels and high strength assure flatness and dimensional stability up to a maximum continuous service temperature of 180°F (80°C). Acetal copolymers are available in a wide variety of colors, including RED, ORANGE, YELLOW, GREEN, BLUE, VIOLET, BLACK, WHITE & NATURAL.

  DELRIN® (unfilled)

  Delrin® acetal homopolymer offers slightly higher mechanical properties than acetal copolymer, but may contain a low density center (also known as "center line porosity") especially in large cross-sections. The homopolymer also gives slightly less chemical resistance than copolymer acetal. For example, Delrin® is ideal for small diameter, thin-walled bushings that benefit from the additional strength and rigidity of homopolymer acetal. Delrin® is available in BLACK & NATURAL colors.

  DELRIN® AF (PTFE-filled)

  This material is manufactured from Delrin® homopolymer resin which has been uniformly filled with a dispersion of PTFE (Teflon®) fibers. Delrin® AF is a unique thermoplastic material for use in moving parts in which low friction and long wear life are important. It retains 90% of the mechanical strength of unfilled acetal homopolymer, while offering very low friction and almost no "slip-stick" behavior. Delrin® AF is BROWN in color.

  DELRIN and TEFLON are registered trademarks of DuPont.

  data sheets

• Acrylic/Plexiglass^®Elf AtoChem North America Inc.

  Acrylic/Plexiglass^®

  GENERAL DESCRIPTION

  Acrylics (Polymethyl-Methacrylate or PMMA) is an amorphous thermoplastic which is optically transparent, unaffected by moisture, and offers a high strength-to-weight ratio.

  GENERAL PROPERTIES

  Acrylics offer high light transmittance with a Refractive Index of 1.49 and can be easily heat-formed without loss of optical clarity. Prolonged exposure to moisture, or even total immersion in water, does not significantly effect the mechanical or optical properties of acrylic. Most commercial acrylics have been UV stabilized for good weatherability and resistance in prolonged sunlight exposure.

  Acrylics are unaffected by aqueous solutions of most laboratory chemicals, by detergents, cleaners, dilute inorganic acids, alkalies, and aliphatic hydrocarbons -- however, acrylics are NOT recommended for use with chlorinated or aromatic hydrocarbons, esters, or ketones.

  Acrylics are easily sawed, drilled, milled, engraved, and finished with sharp carbide-tipped tools. Cut surfaces may be readily sanded and polished. They are also readily bendable or thermoformed at low temperature and solvent bonding of properly fitting parts produces a strong, invisible joint. Acrylics are available in colorless clear as well as a wide variety of colors and tints. They are available in extruded and/or cast material in sheet, rod and tube forms as well as custom profiles.

  TYPICAL APPLICATIONS

  Acrylic is an economical, general purpose material used in a wide variety of applications, including:
  *store fixtures and displays
  *lenses and lighting fixtures
  *light pipes
  *windows and skylights
  *sight gauges
  *furniture
  *outdoor signs
  *sculpture
  

  PLEXIGLAS is a trademark of Elf AtoChem North America Inc.

• Celazole^® Hoechst Celanese

  Celazole^®

  GENERAL PROPERTIES

  Celazole^® PBI is a high performance imidized thermoplastic. Chemically, Celazole^® PBI is polybenzamidazole.

  Celazole^® PBI is the highest performing engineering plastic currently available. It offers the highest heat resistance and mechanical property retention over 400^°F (205^°C) of any unfilled plastic. It has better wear resistance and load carrying capabilities at extreme temperatures than any other reinforced or unreinforced engineering plastic.

  As an unreinforced material, Celazole^® PBI is very clean in terms of ionic impurity and it does not outgas (except water). These characteristics make this material very attractive to semiconductor manufacturers for vacuum chamber applications. Celazole^® PBI has excellent ultrasonic transparency which makes it an ideal choice for parts such as probe tip lenses in ultrasonic measuring equipment.

  Celazole^® PBI is also an excellent thermal insulator. Other plastics in melt do not stick to PBI. These characteristics make it ideal for contact seals and insulator bushings in plastic production and molding equipment.

  TYPICAL APPLICATIONS

  *Wafer retaining rings for gas plasma etching
  *Vacuum tips
  *Wafer carriers
  *Contact seals
  *Insulator bushings
  *Thermal isolators
  *Guide rollers
  

  CELAZOLE is a registered trademark of Hoechst Celanese.

• Ertalyte^®DSM Polymer Corp.

  Ertalyte^®

  TECHNICAL DESCRIPTION

  Ertalyte^® is an unreinforced semi-crystalline thermoplastic polyester based on polyethylene teraphalate (PET-P).

  GENERAL PROPERTIES

  Ertalyte^® PET-P offers dimensional stability coupled with excellent wear resistance, low coefficient of friction, high strength, and resistance to moderate acid solutions. Ertalyte's^® properties make it especially suitable for the manufacture of precision mechanical parts which are capable of sustaining high loads and enduring wear conditions.

  Ertalyte^® has a continuous service temperature of 210°F (100°C) and its melting point is almost 150°F higher than acetals.

  Ertalyte^® is FDA compliant in natural and black colors. Natural Ertalyte^® is also USDA, 3A-Dairy and Canada AG compliant. It is an excellent candidate for parts used in the food processing and equipment industries.

  Ertalyte^® TX is an internally lubricated version of PET-P, providing enhanced wear and inertness over general purpose nylons or acetals. Containing uniformly dispersed solid lubricant, Ertalyte^® TX provides a lower wear rate and coefficient of friction than unmodified PET or PBT and even internally lubricated materials such as Delrin^® AF.

  KEY PROPERTIES

  • Good for both wet and dry environments
  • High strength and rigidity
  • Excellent stain resistance
  • Good wear resistance
  • Excellent dimensional stability
  • Better acid resistance than nylon or acetal

  TYPICAL APPLICATIONS

  • Food processing equipment components
  • Process and test equipment manifolds
  • Carousels
  • Filter tracks
  • Rings, disks, rollers
  • Fuel pump components
  • Fuel system connectors and rotors

  ERTALYTE is a registered trademark of Quadrant DSM Polymer Corporation.
  DELRIN is a registered trademark of DuPont.

• FEP

  FEP

  DESCRIPTION

  TetraFluorEthylene-Perfluorpropylene (FEP) is produced by copolymerization of tetrafluoroethylene and hexafluoropropylene. It is a relatively soft thermoplastic with lower tensile strength, wear resistance, and creep resistance than many other engineering plastics. However, it is chemically inert and has a low dielectric constant over a wide frequency range. FEP possesses a very high degree of stress crack resistance, a low coefficient of friction, exceptional dielectric properties, heat resistance, retention of properties after service at 400°F (204°C) with useful properties at -454°F (-270°C), and meets FDA 21CFR.177.1550.

  FEP has high transparency (with good transmittance of UltraViolet and visible wavelengths.) It has long term weatherability and excellent resistance to ozone, sunlight and weather. FEP offers the lowest refractive index of all thermoplastics with low light reflection (the same as water.)

  TYPICAL APPLICATIONS

  Important applications are linings for pipe and chemical processing equipment,roll covers, and numerous wire and cable applications, including aircraft wire, plenum cable, fire alarm cable, and well logging cable

• Fluorosint^®

  Fluorosint^®

  GENERAL DESCRIPTION

  Fluorosint^® is a proprietary mixture in which synthetically manufactured mica is chemically linked to PolyTetraFluoroEthylene (PTFE). This bonding results in properties not normally attainable in reinforced PTFE

  Fluorosint^® grades offer an excellent combination of low frictional properties and dimensional stability. Fluorosint^® is produced only by Quadrant DSM Engineering Plastic Products.

  Fluorosint^® offers excellent chemical resistance and a continuous use temperature of 500°F (260 °C). Compared with PTFE, it has higher load carrying capability, 1/9 of the deformation under load, and a lower coefficient of thermal expansion.

  FLUOROSINT GRADES

  Fluorosint^® 500
  Fluorosint^® 500 has nine times greater resistance to deformation under load than unfilled PTFE. Its coefficient of linear thermal expansion (CLTE) approaches the expansion rate of aluminum and is 1/5 that of PTFE -- often eliminating fit and clearance problems. It is 1/3 harder than PTFE, has better wear characteristics, and maintains low frictional properties. FluorosintFluorosint^® 500 is also non-abrasive to most mating materials
  Fluorosint^® 207
  Fluorosint^® 207's unmatched dimensional stability, excellent creep resistance and white color uniquely position this material to serve FDA regulated applications. It is non-permeable in steam and complies with FDA regulation 21 CFR 175.300. It's relative wear rate is 1/20 the rate of PTFE below 300°F (150°C)

  FLUOROSINT is a registered trademark Quadrant DSM Engineering Plastic Products.

• Kynar^® PVDF

  TECHNICAL DESCRIPTION

  Kynar^® is a high molecular weight crystalline thermoplastic polymer of vinylidene fluoride -- PolyVinyliDene Fluoride or PVDF.

  GENERAL PROPERTIES

  Kynar^® has excellent corrosion and chemical resistance and performs in many applications up to 300°F (149°C).

  It is used extensively in chemical processing applications because of its unique combination of properties. Kynar^® PVDF possesses excellent chemical resistance, is tough and durable, and is easily fabricated into finished parts.

  KEY PROPERTIES

  • Good thermal stability
  • High tensile strength
  • High impact resistance
  • Excellent UV resistance
  • Extremely high purity

  AGENCY / REGULATORY CONSIDERATIONS

  When specified, PVDF stock shapes may be made from Kynar^® 740 resin which complies with FDA regulation 21 CFR 177.2510, USDA, USP XX Class VI, 3A sanitary standards and meets ASTM D3222 resin specifications.

  TYPICAL APPLICATIONS

  • Tanks & Process Equipment
  • Tank Linings
  • Pump & Valve Components
  • Pipe Flanges & Spacers
  • Components for Wet Process Stations
  • Food Trays for High Heat Applications

  KYNAR is a registered trademark of Elf Atochem North America.

• Nylon

  GENERAL DESCRIPTION

  Nylon is one of the most widely used plastics in the world, especially as a bearing and wear material. Nylons are frequently used as replacements for bronze, brass, aluminum, steel and other metals, as well as other plastics, wood, and rubber.
  
  Nylons offer extremely good wear resistance, coupled with high tensile strength and modulus of elasticity. They also have high impact resistance, a high heat distortion temperature, and resist wear, abrasion, and vibration. In addition, nylons can withstand sustained contact with a wide variety of chemicals, alkalies, dilute acids or oxidizing agents.
  
  Another important factor, both economically and mechanically, is the relative light weight of nylon -- approximately 1/8 the weight of bronze, 1/7 the weight of cast iron, and 1/2 the weight of aluminum -- which reduces both the inertial and static loads and eases the handling of large components during maintenance or replacement procedures.
  

  REPRESENTATIVE CAST NYLON GRADES

  MC^®901, MC^®907 - Cast Unfilled Nylon 6
  Unmodified cast type 6 nylon offers the highest strength and hardness of the nylon 6 grades. MC907, the natural grade (off-white in color), is FDA, USDA and 3A-Dairy compliant and is primarily used for food contact parts.

  A heat-stabilized grade, MC901, (Blue in color) offers thermal stability to 260°F, and is used in bearing and structural applications, such as wheels, gears, and custom parts.

  Nylatron^® GSM - Cast Moly-Filled Nylon 6
  Finely divided particles of "Moly" (molybdenum disulfide -- MoS2) are dispersed evenly throughout the nylon material during polymerization. The Moly particles act as a dry lubricant to enhance nylon's load bearing and wear capabilities while maintaining impact strength and toughness. It is most commonly used for gears, sheaves, sprockets and custom parts. It is Dark Grey in color.

  Nyloil^® - Cast Oil-Filled Nylon 6
  Simply put, this is a cast nylon with built-in oil lubrication. During the manufacturing process, oil lubrication is completely and evenly dispersed throughout the cast nylon, making it an integral part of the material's structure that cannot spin out, dry out, or drain out, even under the harshest working conditions. This oil-filler reduces friction by as much as 25% at the bearing interface, and can result in longer wear life than unfilled or moly-filled cast nylons. The standard grade is Green in color, but a natural (off-white) colored FDA & USDA approved grade is also available.

  Nylatron^® GSM Blue - Cast Moly- & Oil-Filled Nylon 6
  This grade combines both molybdenum disulfide (MoS2) and oil for the load capability of Nylatron GSM nylon, plus improved frictional characteristics. It excels in higher pressures and at low speeds. It is Dark Blue-Gray in color.

  Nylatron^® NSM - Cast Solid-Lubricant-Filled Nylon 6
  This grade offers the best bearing and wear properties available. Solid lubricant additives, evenly dispersed throughout the nylon material, imparts self-lubricating, high PV, and superior wear characteristics. This Gray colored nylon grade is ideal for larger size parts, bearings, gears, and wear pads.

  REPRESENTATIVE EXTRUDED NYLON GRADES

  Nylon 101 - Extruded Nylon 6/6
  Of all the unmodified nylons, this grade is the strongest, most rigid, and has one of the highest melting points. This material is available in natural (off-white) and black colors, and custom coloring is available. The natural grade is FDA, USDA and 3A-Dairy compliant and is primarily used for food contact parts.

  Nylatron^® GS - Extruded Moly-Filled Nylon 6/6
  Finely divided particles of "Moly" (molybdenum disulfide -- MoS2) are dispersed evenly throughout the nylon material during polymerization. The Moly particles act as a dry lubricant to enhance nylon's load bearing and wear capabilities while offering improved strength and rigidity. With a lower coefficient of linear thermal expansion than unfilled nylon, Moly-filled nylon maintains better fit and clearances, and has less tendency to seize as bearings.

  30% Glass-Reinforced Extruded Nylon 6/6
  For applications requiring higher compressive strength and rigidity, and/or improved frictional characteristics 30% glass reinforced nylon 6/6 is also available.

  MC^®901, MC^®907 is a registered trademark of Quadrant DSM Engineering Plastic Products.
  NYLATRON is a registered trademark of Quadrant DSM Engineering Plastic Products.
  NYLOIL is a registered trademark of Cast Nylons, Ltd.

• PCTFE (Kel-F^®)

  TECHNICAL DESCRIPTION

  PolyChloroTriFluoroEthylene is a fluorocarbon-based polymer and is commonly abbreviated PCTFE. The Kel-F^® brand is a registered trademark of 3M, but they discontinued production in 1995. The only remaining brand, Neoflon^®, is made by Daikin Industries of Japan. This PCTFE resin has the same chemical structure and properties as the original Kel-F^® brand material.

  GENERAL PROPERTIES

  PCTFE offers the unique combination of physical and mechanical properties, nonflammability, high optical transparency, chemical resistance, near zero moisture absorption, and excellent electrical properties. These characteristics cannot be found in any other thermoplastic fluoropolymer with a useful temperature range of -400°F to +400°F (-240°C to +204°C).

  PCTFE also has extremely low outgassing (0.01% TML, 0.00% CVCM, 0.00% WVR when tested per ASTM E-595-90), so it is suitable for use in aerospace and flight applications.

  APPLICATIONS

  • Cryogenic applications -- super-cold refrigeration components
  • Valves -- seats, stems, seals
  • Seals -- lips, o-rings, v-rings, special construction seals
  • Compressors & pumps
  • Films -- food packaging, pharmaceutical packaging, optical recording, electroluminescent display panels
  • Gaskets -- pressure, diaphragm, liquid gauge seals, fluid handling
  • Bearings -- sleeve & thrust
  • Stock shapes -- for machining components

  KEL-F is a registered trademark of 3M Company.
  NEOFLON is a registered trademark of Daikin Industries.

• PEEK

  GENERAL PROPERTIES

  PEEK is an abbreviation for PolyEtherEther-Ketone, a high performance engineering thermoplastic. PEEK grades offer chemical and water resistance similar to PPS (PolyPhenylene Sulfide), but can operate at higher temperatures. PEEK can be used continuously to 480°F (250°C) and in hot water or steam without permanent loss in physical properties. For hostile environments, PEEK is a high strength alternative to fluoropolymers. PEEK carries a V-O flammability rating and exhibits very low smoke and toxic gas emission when exposed to flame.
  
  And unfilled PEEK received FDA approval in late 1998!

  FEATURES

  • Excellent chemical resistance
  • Very low moisture absorption
  • Inherently good wear and abrasion resistance
  • Unaffected by continuous exposure to hot water or steam

  PEEK GRADES

  PEEK (Unfilled)
  This general purpose grade is unreinforced and offers the highest elongation and toughness of all PEEK grades. This material is available in Natural color, but is also available in black. Black PEEK is ideal for instrument components where aesthetics are important, as well as for seal components where ductility and inertness are important. All unfilled PEEK grades comply with FDA regulation 21 CFR 177.2415 for repeated food contact.

  PEEK (30% Glass Filled)
  The addition of glass fibers significantly reduces the expansion rate and increases the flexural modulus of PEEK. This grade is ideal for structural applications that require improved strength, stiffness, or stability, especially at temperatures above 300°F (150°C). Glass-filled PEEK is light brown in color.

  PEEK (30% Carbon Filled)
  The addition of carbon fibers enhances the compressive strength and stiffness of PEEK, and dramatically lowers its expansion rate. It offers designers optimum wear resistance and load carrying capability in a PEEK-based product. This grade provides 3½ times higher thermal conductivity than unreinforced PEEK -- dissipating heat from the bearing surface faster. Carbon-filled PEEK is black in color.

  PEEK (Bearing Grade)
  This grade of PEEK, containing carbon fiber reinforced with graphite and PTFE lubricants, offers the lowest coefficient of friction and the best machinability for all PEEK grades. Bearing grade PEEK has an excellent combination of low friction, low wear, high LPV, low mating part wear, and easy machining. Bearing grade PEEK is black or dark grey in color.

• PFA

  DESCRIPTION

  PerFluoroAlkoxy (PFA) offers similar properties to FEP, but is considered more of a premium resin. PFA is preferred when extended service is required in hostile environments involving chemical, thermal, and mechanical stress. PFA offers high melt strength, stability at high processing temperatures, excellent crack and stress resistance, a low coefficient of friction, and more than 10 times the Flex life of FEP.

  It has high resistance to creep and retention of properties after service at 500°F (260°C), with useful properties at -320°F (95°C). PFA also meets FDA 21CFR.177.1550.
  PFA is used in the same types of applications as those listed for FEP.

• Polycarbonate

  DESCRIPTION

  Unfilled Polycarbonate is a tough, transparent engineering thermoplastic which offers very high impact strength and high modulus of elasticity. It also has a high heat deflection temperature and absorbs very little moisture. These properties, plus good low frequency and high voltage insulating characteristics, make polycarbonate a prime material for electrical and electronic components. Its strength, impact resistance and transparency (unfilled grades only) also make it an ideal material for certain transparent structural applications.

  GLASS FILLED GRADES

  Glass fibers may be added in various amounts (10%, 20%, 30% and 40%) to increase tensile strength, stiffness, compressive strength, and lower the thermal expansion coefficient. NOTE: Glass-filled polycarbonate is almost always BLACK in color.

  KEY PROPERTIES

  • high impact strength
  • excellent strength retention at elevated temperatures
  • high tensile, shear, and flexural strength
  • high modulus of elasticity
  • low deformation under load
  • excellent creep and cold flow resistance
  • low coefficient of thermal expansion
  • good electrical insulation properties
  • easy to fabricate & machine

  TYPICAL APPLICATIONS

  • electrical connectors
  • brush holders
  • coil bobbins & forms
  • insulators
  • relay components
  • dialysis equipment parts
  • medical tubing
  • gamma sterilizable reusables
  • instrument covers
  • covers
  • handles
  • rollers
  • machine guards
  • fittings

• Polyethylene (LDPE, HDPE & UHMW PE)

  GENERAL DESCRIPTION

  Polyethylenes are semi-crystalline materials with excellent chemical resistance, good fatigue and wear resistance, and a wide range of properties (due to differences in length of the polymer chain.) Polyethylenes are easy to distinguish from other plastics because they float in water.

  GENERAL PROPERTIES

  Polyethylenes provide good resistance to organic solvents, degreasing agents and electrolytic attack. They have a higher impact strength, but lower working temperatures and tensile strengths than polypropylene. They are light in weight, resistant to staining, and have low moisture absorption rates.

  POLYETHYLENE GRADES

  Low Density Polyethylene (LDPE)
  This extruded material offers good corrosion resistance and low moisture permeability. It can be used in applications where corrosion resistance is important, but stiffness, high temperatures, and structural strength are not. A highly flexible product, LDPE is used widely in orthopaedic products, or where mobility without stress fatigue is desired. LDPE is also frequently used in consumer packaging, bags, bottles, and liners.

  High Density Polyethylene (HDPE)
  Representing the largest portion of the polyethylene applications, HDPE offers excellent impact resistance, light weight, low moisture absorption, and high tensile strength. HDPE is also non-toxic and non-staining and meets FDA and USDA certification for food processing.

  Ultra High Molecular Weight Polyethylene (UHMW PE)
  Light weight (1/8 the weight of mild steel), high in tensile strength, and as simple to machine as wood, UHMW PE is the ideal material for many wear parts in machinery and equipment as well as a superb lining in material handling systems and storage containers. UHMW PE is self-lubricating, shatter resistant, long-wearing, abrasion and corrosion resistant. It meets FDA and USDA acceptance for food and pharmaceutical equipment and is a good performer in applications up to 180 °F (82 °C) or when periodically cleaned with live steam or boiling water to sterilize.

• Polypropylene

  GENERAL DESCRIPTION

  Polypropylene is an economical material that offers a combination of outstanding physical, chemical, mechanical, thermal and electrical properties not found in any other thermoplastic. Compared to low or high density polyethylene, it has a lower impact strength, but superior working temperature and tensile strength.

  GENERAL PROPERTIES

  Polypropylene provides excellent resistance to organic solvents, degreasing agents and electrolytic attack. It has a lower impact strength, but its working temperatures and tensile strength are superior to low or high density polyethylene. It is light in weight, resistant to staining, and has a low moisture absorption rate. This is a tough, heat-resistant, semi-rigid material, ideal for the transfer of hot liquids or gases. It is recommended for vacuum systems and where higher heats and pressures are encountered. It has excellent resistance to acids and alkalines, but poor resistance to aromatic, aliphatic and chlorinated solvents.

  FEATURES

  
  

  • Lightweight
  • High tensile strength
  • Impact resistant
  • High compressive strength
  • Excellent dielectric properties
  • Resists most alkalis and acids
  • Resists stress cracking
  • Retains stiffness and flex
  • Low moisture absorption
  • Non-toxic
  • Non-staining
  • Easily fabricated
  • High heat resistance

  FABRICATION TECHNIQUES

  • Hot gas welding
  • Spin welding
  • Fusion & butt welding
  • Machining with wood or metal working tools
  • Vacuum forming
  • Ultra-sonic sealing

  THERMO-FORMED APPLICATIONS

  • Chemical resistant tanks & linings
  • Laboratory consoles, sinks & ducts
  • Plating barrels & tanks
  • Lavatory partitions
  • Filter press plates
  • Railroad crossing components
  • Pump components & housings
  • Prosthetic devices
  • Die cutting pads
  • Clean room walls, floors & ceilings

• PPS

  GENERAL PROPERTIES

  PolyPhenylene Sulfide (PPS) offers the broadest resistance to chemicals of any advanced engineering plastic. They have no known solvents below 392°F (200°C) and are inert to steam, strong bases, fuels and acids.
  
  Minimal moisture absorption and a very low coefficient of linear thermal expansion, combined with stress-relieving manufacturing, make PPS ideally suited for precise tolerance machined components.

  
  

  PPS GRADES

  40% Glass Reinforced PPS
  This product is the most recognized filled grade of PPS. It offers better dimensional stability and thermal performance than unfilled Techtron^® PPS and maintains its strength to above 425°F (220°C).

  Bearing Grade PPS
  Bearing grade PPS is internally lubricated and carbon fiber reinforced offering a low coefficient of thermal expansion and uncompromised chemical resistance. It is well suited for thrust or wear applications or when an electrically conductive material is required.

  TECHTRON is a registered trademark of Quadrant DSM Engineering Plastic Products.

• PVC / CPVC

  POLYVINYL CHLORIDE (PVC) PROPERTIES

  PVC is the most widely used member of the vinyl family. It is most commonly used in pipe and fittings. PVC offers excellent corrosion and weather resistance. It has a high strength-to-weight ratio and is a good electrical and thermal insulator. PVC is also self-extinguishing per UL flammability tests. PVC may be used to temperatures of 140°F (60°C) and is readily available in sheets, rods, and tubing. PVC may be cemented, welded, machined, bent and shaped readily.

  CHLORINATED POLYVINYL CHLORIDE (CPVC) PROPERTIES

  
  

  CPVC shares most of the features and properties of its close relative, PVC. It is also readily workable, including machining, welding, and forming. Because of its excellent corrosion resistance at elevated temperatures, CPVC is ideally suited for self-supporting constructions where temperatures up to 200°F (93°C) are present. The ability to bend, shape, and weld CPVC enables its use in a wide variety of process applications including tanks, scrubbers, and ventilation systems. It exhibits excellent fire resistance, chemical resistance, and is readily available in sheets, rods, and tubing.

• Rulon^®

  GENERAL DESCRIPTION

  Rulon^® is the SGGPL tradename for a family of reinforced proprietary PTFE compounds. This unique family of materials offers the combination of high compressive strengths, low coefficient of friction, and excellent abrasion and corrosion resistance while running without lubrication. These materials are used in bearing and seal applications at temperature extremes from -400°F to +500°F (-240°C to +260°C) with or without additional lubricants. Rulon^® materials also have the unique property of no "slip stick" --- no erratic motion at low speeds.

  RULON^® GRADES

  Rulon^® LR The best known, most widely used Rulon formulation. Rulon^® LR has a long reputation for high wear resistance, low friction, good electrical properties and chemical inertness. Not only does it make a great sleeve, flange or thrust bearing, it can also be bonded to nearly any surface to provide wear resistance and reduce friction. MAROON in color.

  Rulon^® J
  This is the best Rulon^® grade for aluminum and soft mating surfaces. Rulon^® J provides the lowest coefficient of friction of all Rulons^®, and provides good wear and abrasion resistance. Because this grade is "all plastic", it can be run on non-ferrous and non-metallic mating surfaces such as 316 Stainless, brass, and other plastics. It is used in both bearing and seal applications, but is generally not suitable for use in alkaline or oxidizing acid solutions. DULL GOLD in color.

  Rulon^® 641
  This FDA compliant material was specifically developed for food and drug applications. Rulon^® 641 is designed to run dry without any moisture or lubrication. WHITE in color.

  Rulon^® AR
  This was the first commercially available reinforced PTFE and is still quite popular. Rulon^® AR offers the best combination of flexibility and load-carrying properties. It has high wear resistance, low friction, and good electrically insulative and chemical properties. Since, its fillers are ceramic in nature, mating surfaces should be RC35 or harder. It is used in seals, piston cups, and some bearings. MAROON in color.

  Rulon^® 142
  A material for extremely heavy loads. Rulon^® 142 is ideal for linear bearing applications such as slideways in machine tools and heavy equipment. Competes with Shamban's Turcite^® B Slydway^® product. TURQUOISE in color.

  Rulon^® 123
  This FDA compliant material is excellent for wet or submerged applications. Rulon^® 123 provides excellent service against soft and non-ferrous mating surfaces. BLACK in color.

  NOTE: Other specialized Rulon^® grades are also available for chemical environments, higher loads, severe wear, or custom applications. Contact us for more information!

  RULON is a registered trademark of the Saint-Gobain Performance Plastics.
  TURCITE and B Slydway are registered trademarks of Busak+Shamban, Inc.

• Tefzel^®

  GENERAL DESCRIPTION

  Tefzel^® ETFE is a fluorocarbon-based polymer. ETFE is an abbreviation for the chemical name Ethylene TetrafluoroEthylene. and the Tefzel^® brand of ETFE is manufactured only by DuPont. This material was introduced to provide a material with both corrosion resistance and mechanical strength over a wide temperature range. The fluoroplastic family offers plastics with high chemical resistance, low and high temperature capability, resistance to weathering, low friction, electrical and thermal insulation.

  GENERAL PROPERTIES

  Tefzel^® ETFE offers high purity, excellent chemical resistance, good permeability resistance, and excellent abrasion resistance over a temperature range of -300°F to +300°F (-185°C to +150°C). Tefzel^® ETFE is available in sheet, rod and film forms. It is also available in a fabric-backed sheet for construction of dual laminate vessels or the lining of existing chemical vessels.

  APPLICATIONS

  • Process vessels -- tank construction and lining
  • Wire and cables -- insulation and jacketing
  • Cryogenic applications -- super-cold refrigeration components
  • Valves -- linings, seats, seals
  • Compressors & pumps - linings and components
  • Films -- food packaging, pharmaceutical packaging, optical recording, electroluminescent display panels
  • Electrical components -- insulators, cable clamps
  • Gaskets -- pressure, diaphragm, liquid gauge seals, fluid handling
  • Bearings -- sleeve & thrust
  • Stock shapes -- for machining components

• Torlon^®

  TECHNICAL DESCRIPTION

  Torlon^® is a high performance amorphous (non-crystalline) engineering thermoplastic. Chemically, Torlon^® is a polyamide-imide (PAI), a reaction product of trimellitic anhydride and aromatic diamines. It is called amide-imide because the polymer chain comprises amide linkages alternative with imide linkages. The combination of aromatic groups and imide linkages are responsible for the polymer's exceptional thermal stability. The amide groups impart flexibility and elongation, which results in an engineering plastic with exceptional toughness.

  GENERAL PROPERTIES

  Torlon^® is the highest performing melt processable plastic. It has superior resistance to elevated temperatures. It is capable of performing under severe stress conditions at continuous temperatures to 500°F (260°C). Parts machined from Torlon^® stock shapes provide greater compressive strength and higher impact resistance than most advanced engineering plastics. Its extremely low coefficient of linear thermal expansion and high creep resistance deliver excellent dimensional stability over its entire use range. Torlon^® is an amorphous material with a Tg (glass transition temperature) of 537°F (280°C).

  TORLON^® GRADES

  
  

  Torlon^® 4203 (Electrical Grade)
  Torlon^® 4203 extruded PAI offers excellent compressive strength and the highest elongation of the Torlon^® grades. It also provides electrical insulation and exceptional impact strength. This grade is commonly used for electrical connectors and insulators due to its high dielectric strength.

  Torlon^® 4301 (Bearing Grade)
  Torlon^® 4301 extruded PAI is primarily used for wear and friction parts. It offers a very low expansion rate, low coefficient of friction and exhibits little or no slip-stick in use. Torlon^® 4301's flexural modulus of 1,000,000 psi is higher than most other advanced engineering plastics. This grade excels in severe service wear applications such as non- lubricated bearings, seals, bearing cages and reciprocating compressor parts.

  Torlon^® 5530 (Glass-Reinforced Grade)
  Torlon^® 5530 is 30% glass reinforced, compression molded PAI. It is ideal for higher load structural or electronic applications. This grade is similar in composition to Torlon^® 5030 PAI (injection molded). It is selected for larger shapes or when the greatest degree of dimensional control is required. Applications include burn-in sockets, gears, valve plates, impellers, rotors, terminal strips, and insulators.

  TORLON is a registered trademark of BP Amoco Polymers.

• Ultem^®

  GENERAL PROPERTIES

  Ultem^® PolyEtherImide (PEI) is an amber transparent high performance polymer which combines high strength and rigidity at elevated temperatures with long term heat resistance. Ultem^® offers excellent dimensional stability combined with broad chemical resistance.

  Ultem^® is also inherently flame resistant and low smoke generating. It excels in medical reusable applications requiring repeated sterilization and is available in FDA compliant colors.

  ULTEM^® GRADES

  Ultem^® 1000 - unfilled
  Unfilled Ultem^® excels in hot air and water environments. It's hydrolitically stable -- it retains 85% of tensile strength after 10,000 hour boiling water immersion and 100% of tensile strength after 2,000 steam autoclave cycles at 270°F. It is also UV and gamma radiation resistant.

  Ultem^® 2100 - 10% glass filled
  Ultem^® 2200 - 20% glass filled
  Ultem^® 2300 - 30% glass filled
  Glass reinforced Ultem^® provides even greater rigidity and dimensional stability while maintaining many of the useful characteristics of basic Ultem^®. The glass reinforcement yields a product with an exceptional strength-to-weight ratio and increased tensile strength.

  ULTEM is a registered trademark of General Electric Company.

• Vespel^®

  GENERAL PROPERTIES

  Vespel^® is a high performance polyimide material which is formed from resin manufactured only by DuPont. Polyimide materials are characterized by a ring-shaped molecular structure containing Nitrogen.
  Vespel^® is one of the highest performing engineering plastics currently available. Vespel^® will not melt and can operate continuously from cryogenic temperatures to 550°F (288°C), with excursions to 900°F (482°C).
  
  Vespel^® parts consistently exhibit superior performance in a variety of applications requiring low wear and long life in severe environments.

  FEATURES

  • Excellent temperature resistance
  • High wear resistance (especially SP-21
  • Dimensionally stable
  • Resistant to radiation
  • Extremely low outgassing
  • Relatively easy to machine

  APPLICATIONS

  • Rotary seal rings
  • Thrust washers and discs
  • Bushings
  • Flanged bearings
  • Plungers
  • Printer wire guides
  • Spline couplings
  • Wear strips
  • Valve seats
  • Thermal and electrical insulators
  • Wafer clamping, polishing and grinding rings
  • Wafer guides & carriers
  • Vacuum pads
  • Die pickup collets

  VESPEL^® GRADES

  Vespel^® SP-1
  Vespel^® SP-1 is the unfilled base resin grade. SP-1 provides maximum physical strength, elongation, and toughness as well as the best electrical and thermal insulation values. Typical applications include spacers, high-temp fixtures, valve seats, balls, gaskets, insulators, and seals.

  Vespel^® SP-21
  Vespel^® SP-21 has 15% graphite by weight added to the base resin for increased wear resistance and reduced friction in applications such as bearings, thrust washers, bushings, seal rings, slide blocks and other wear applications. SP-21 has the highest mechanical properties of the graphite filled grades.

  Vespel^® SP-22
  Vespel^® SP-22 has 40% graphite by weight for enhanced wear resistance, lower friction, improved dimensional stability (low coefficient of thermal expansion), and stability against oxidation. Typical uses are the same as those for SP-21.

  Vespel^® SP-211
  Vespel^® SP-211 has 10% Teflon^® PTFE and 15% graphite by weight added to the base resin for the lowest coefficient of friction over a wide range of operating conditions. It also has excellent wear resistance up to 300°F (149°C). Typical applications include sliding or linear bearings as well as many wear and friction uses listed above.

  Vespel^® SP-3
  Vespel^® SP-3 is 15% moly-filled (molybdenum disulfide solid lubricant) for wear and friction resistance in vacuum and other moisture-free environments where graphite actually becomes abrasive. Typical applications include seals, bushings, bearings, gears, and other wear surfaces in outer space, ultra-high vacuum or dry gas applications.

  VESPEL is a registered trademark of DuPont.

Metals

We Now Offer the Following Metals:

For Additional Material Specifications, Please Contact A Sales Representative