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Rubber is the most cost-effective material to use where temperature and pressures are low and the chemical environment is mild. Different elastomers offer different mechanical and chemical properties. Cloth&metal inserted materials are better able to handle movement and high compression loads. Technical Data Sheet Material NR, NBR,SBR,BR,IR,CR,EPDM,VITON(FKM),SIR,SILICONE Hardness Silicone about 50~90 shore A, others about 60~90 shore A Temperature Resistance -40~+300℃ ...