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A subset of the thermoplastic polyethylene, UHMW (aka UHMWPE) is characterized as one of the miracle polymers of the 20th century. UHMW’s host of exceptional attributes such as high abrasion resistance, low coefficient of friction and unparalleled impact resistance, even in cryogenic environments, make it a favorite among engineers and designers in nearly every industry worldwide. UHMW modified to meet particular application requirements through formulations with additives and fillers create special and premium grades with the enhanced desired property.

Molybdenum disulfide is growing in popularity as an additive since it even further reduces the coefficient of friction. As a dry lubricant, it performs extremely well without attracting dust and dirt. Moly filled UHMW applications include various conveyor components such as curve tracks and guide rails, as well as nonstick liners and wear plates.

Brand Names

  • Polyslick 701

Emco Industrial Plastics doesn’t claim to represent all of the manufacturers or trade name products listed. This list is intended as a guide of typical materials available for purchase from Emco Industrial Plastics, Inc. For additional information, contact an Emco Industrial Plastics representative at 888-588-0597.

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At a Glance

Generic Name
Ultra High Molecular Weight Polyethylene, Moly Filled

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Technical Information

Stock Products Properties Applications Advantages Grades

Stock Products

Sheet 1/4″ – 4-1/2″ TH Gray

Give us your cut-to-size dimensions. We will precision-cut these plastics to your exact size. Additional sizes and colors available upon request.


Physical PropertiesUnitsASTMResults
Density lb/in³ D792 0.034
Water Absorption, 24 hrs % D570 0.01
Mechanical PropertiesUnitsASTMResults
Tensile Strength @break psi D638 2,200 – 2,900
Tensile Elongation @Break % D638 150
Hardness D785 D63
Thermal PropertiesUnitsASTMResults
Coefficient of Linear Thermal Expansion (x 10⁻⁵ in./in./°F) E831 1.1×10⁻⁴ /°F
Melting Temperature °F D3418 275
Max Operating Temp °F 176
Electrical PropertiesUnitsASTMResults
Volume Resistivity, 50% RH ohm – cm D257 10¹⁴

NOTE: The property values presented above are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers’ complete material property datasheets. All values at 73°F (23°C) unless otherwise noted.


  • Conveying components: bearings, belt guides
  • Bushings, rollers, gears
  • Sprockets
  • Wear strips
  • Chutes, hoppers
  • Chain guides


  • Corrosion and wear resistant
  • Vibration resistant
  • Easily machinable
  • High chemical resistance
  • low coefficient of friction
  • Light weight
  • Generally FDA and USDA compliant
  • Good abrasion resistance
  • Moisture resistant
  • Good electrical resistance
  • Self lubricating


  • Unfilled
  • Glass Filled
  • Static Control: Static Dissipative, Anti-static, Conductive
  • Moly filled
  • Oil filled

NOTE: Several grades of this material are available. For additional information regarding this plastic, contact your Emco Industrial Plastics representative or call 973-862-4148.

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