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Raw Materials

Common nature of the rubbers Rubber properties and uses Home > Raw Materials   Common Nature of The Rubbers   Types of rubber Relative density of crude rubber AStiffness ML1+4,100 Mooney viscosity (℃) Tensile Strength (Mpa) Elongation percentage(%) ℃Operation temperature range Types of rubber NR 0.93 20~95 45~150 6.89~24.00 100~700 -70~90 NR Polyisoprene 0.94 20~95 55~90 6.89~24.00 100~750 -70~90 Isoprene rubber SBR 0.94 40~95 30~70 6.89~22.00 100~700 -60~100 SBR BR 1.93 30~95 35~55 6.89~20.00 100~700 -100~100 BR PCR 1.23 20~90 45~120 6.89~25.00 100~700 -60~120 PCR Butyl rubber 0.91~0.93 20~90 45~80 6.89~18.00 100~700 -60~150 Butyl rubber NBR 0.96~1.02 30~95 30~130 6.89~25.00 100~600 -50~120 NBR EPDM 0.85 30~95 40~100 6.89~20.00 100~300 -60~150 EPDM Silicone rubber 0.98 20~95 liquid 3.45~10.34 50~800 -120~280 Silicone rubber Fluorous rubber 1.4~1.95 60~90 35~160 6.89~12.00 100~350 -50~300 Fluorous rubber Urethane rubber 0.85 62~95 25~60 6.89~35.00 100~700 -60~80 Urethane rubber Polyacrylate rubber 1.10 40~95 35~160 6.89~15.16 100~400 -30~180 Polyacrylate rubber chlorosulfonated polyethylene 1.10 50~95 45~60 30~115 6.89~15.00 100~500 -60~150 chlorosulfonated polyethylene Permanent compression set Rebound elasticity Electrical specification Tear strength Attrition resistance Resistance to the increased cutting hole Resistance to water-solubility satisfactory excellent+ excellent excellent excellent excellent excellent average excellent+ excellent excellent excellent excellent excellent satisfactory satisfactory average average－satisfactory excellent satisfactory satisfactory－excellent average excellent+ satisfactory satisfactory excellent average bad satisfactory excellent satisfactory satisfactory excellent satisfactory satisfactory average average excellent satisfactory satisfactory excellent excellent satisfactory satisfactory bad－average satisfactory excellent satisfactory excellent average satisfactory excellent bad satisfactory satisfactory excellent excellent satisfactory excellent average average average excellent excellent average satisfactory－excellent average satisfactory average satisfactory－excellent excellent excellent average－satisfactory excellent excellent satisfactory average－satisfactory satisfactory satisfactory bad－average average satisfactory satisfactory bad－average satisfactory satisfactory satisfactory satisfactory satisfactory satisfactory satisfactory－excellent Acid resistance Alkali tolerance Oil resistance Fuel oil resistance Ozone resistance Weather resistance To metal bonding satisfactory satisfactory bad bad bad average excellent satisfactory satisfactory bad bad bad average excellent satisfactory satisfactory bad bad average average excellent satisfactory satisfactory bad bad bad average excellent satisfactory satisfactory satisfactory average satisfactory－excellent excellent excellent excellent excellent bad－average bad excellent excellent bad satisfactory satisfactory excellent satisfactory average bad excellent excellent excellent bad bad excellent excellent average average average average bad excellent excellent excellent excellent average excellent excellent excellent+ excellent excellent average average excellent excellent excellent excellent excellent average bad excellent satisfactory excellent excellent satisfactory excellent excellent satisfactory average excellent+ excellent excellent

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