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Bearing and Wear

 

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Thermo Plastics - 2

Acetal

(106)
Polyoxymethylene (POM)

Acetal plates are tough enough and strong enough to replace metal. Acetal is dimensionally stable under wet or humid conditions due to lower water absorption while resisting most organic solvents.

Acetal Co-Polymer offer high tensile and flexural strength, fatigue resistance, and hardness. They retain much of their toughness through a broad temperature range and are stocked in long lengths suited for most any part manufactured on automatic screw machines.

Acetal Delrin (a homopolymer) is a trademark of E.I. DuPont and offers high tensile strength, stiffness, and fatigue endurance with moderate toughness under repeated impact. In addition, Delrin has high resistance to organic solvents and ...

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Thermo Plastics

Nylon

(314)
Nylon is a versatile and popular engineering plastic with outstanding hardness and tensile strength, plus superior wear resistance. A low coefficient of friction is another advantage along with heat resistance as high as 230 degrees Fahrenheit in some grades. Nylon is an excellent choice for parts that aren't in frequent contact with strong acids, organic solvents, or sunlight. The addition of oil, glass, or moly disulfide improves the properties listed above to provide even better wear and abrasion resistance.

Also,
  • Type 6 cast nylon is molded into void-free plates that are free of stress
  • Type 6/6 nylon is a popular extruded nylon (a hard plastic that machines easily)
  • Extruded nylon is more ...

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Thermo Plastics - 2

PET

(45)
Polyethylene Terephthalate (P.E.T.)

A preferred replacement for Acetal where there is a concern for dimensional stability after machining. P.E.T. has excellent wear resistance and a low coefficient of friction, in addition to a very low water absorption rate and being FDA compliant. The low moisture characteristic makes P.E.T. ideal for electrical applications. The outstanding hardness and stiffness properties along with good chemical resistance enables P.E.T. to be the answer to many applications.
  • Available in plates, rounds, sheets
  • Custom sizes available
  • Custom fabrication services available from WS Hampshire

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UHMW

UHMW

(76)
Ultra High Molecular Weight Polyethylene (UHMW)

UHMW is an exceptionally tough plastic that holds up, even after repeated impact. The abrasion resistance is extraordinary, with low friction under load. Virgin Grade UHMW is also exceptionally resistant to chemical attack including organic solvents. It's easily machined, self-lubricating and absorbs almost no water while providing high dielectric strength, but only moderate compression strength. UHMW operates safely at 160 ºF and doesn't break under IZOD impact testing.

  • Available as sheet/rod/tube
  • Available in virgin or regrind grades
  • Standard colors are white and black
  • Typical applications include wear pads, gears, bearings, ...

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