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Common Nature of Boom Rubber


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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