M a t e r i a l  P r o p e r t i e s

Rubber - Technical Information Guide

ELASTOMER: RESISTANCE TO: CHARACTERISTICS:
  Oil Electric Flame Impact Abrasion Tear Weather Oxidation Ozone  
Natural Rubber (Latex) NR EX NR EX EX EX FR GD NR Resists abrasion and low temperatures
BUNA-N (Nitrile) EX NR NR FR GD GD GD GD FR Resists mineral and vegetable oils
Butyl NR EX NR GD GD GD EX EX EX Resists air permeation. Good electrical properties
EPDM NR EX NR GD GD GD EX EX EX General Purpose Rubber. Resists Weather
Hypalon GD GD GD GD GD GD EX EX EX Resists weather and acids
Neoprene GD FR GD GD EX GD GD EX GD General Purpose Rubber. Resists abrasion and oil
  Oil Electric Flame Impact Abrasion Tear Weather Oxidation Ozone  
Polyurethane EX GD NR GD EX EX EX EX EX Resists abrasion, tearing and cold. High load bearing capacity
Silicone FR GD EX FR FR NR EX EX EX Chemical resistant. Resists high and low temperatures
Vinyl EX EX NR NR GD GD GD GD GD Excellent abrasion and damping resistance
SBR NR EX NR EX EX FR FR GD NR Resists abrasion and impact
Viton EX GD EX GD GD GD EX EX EX Resists oil and chemicals at high and low temperatures

NR= Not Recommended /// FR= Fair /// GD= Good /// EX= Excellent

Durometer and Rockwell Scale Comparisons

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