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UHMW

UHMW (Ultra-high molecular weight polyethylene) Product Guide

 

Applications | Mechanical and Chemical Data

 

Overview

UHMW is a subset of the thermoplastic polyethylene. It is the highest quality polyethylene available and an excellent choice for cost effective, impact, chemical, and abrasion resistant qualities. Also, UHMW offers low friction, toughness, durability, ease of fabrication, low moisture absorption, and a highly effective replacement for metal parts. UHMW is used in a wide range of applications, including wet environment and submerged applications, guides, bumpers, wear strips, rollers, conveyor line guides, and package machinery parts.

 

Common Brand/Trade Names

GUR®, Polystone® M, Tivar®

 

Other Resources

Weight Calculator

 

Products

UHMW Sheet/Plate | UHMW Round Rod

 

Applications

  • Star Wheels
  • Dock Fenders
  • Hopper Liners
  • Food Processing Machinery Parts
  • Wear Rails



Physical Properties UHMW
   
Density 0.034 lb/in3
Tensile Strength 3.6-5.8 ksi
Tensile Modulus 80-90 ksi
Elongation at Break Percentage 150-300%
Flexural Strength (non-reprocessed) 3.5 ksi
Flexural Modulus 86-88 ksi
Compressive Strength (non-reprocessed) 3 ksi
Compressive Modulus (non-reprocessed) 80 ksi
Izod Impact (notched) No Break
Hardness, Shore (reprocessed only) D70
Coefficient of Linear Thermal Expansion 7.8-11 x 10^-5 in./in./°F
Heat Deflection Temp. at 26.4 ksi (non-reprocessed) 532-534 °F
Water Absorption %, 24hrs 0.01%
Thermal Conductivity 2.84 BTU-in/hr-ft^2-°F


Chemistry Information
Element
Percentage
Polyethylene 97 min
Zinc stearate 2 max
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