Environment-friendly foaming rolling fiber reinforcement sealing liner material
A fiber-reinforced, sealing gasket technology, applied in other chemical processes, chemical instruments and methods, etc., can solve the problems of poor sealing performance of sealing materials, and achieve the effect of good oil resistance and improved liquid resistance
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[0018] The present invention will be further described below.
[0019] Environment-friendly foaming roll-pressed fiber-reinforced sealing gasket material, its composition and weight percentage are:
[0020] Fiber 20%, rubber 20%, filler 50%, foaming agent 3%, crosslinking agent 3%, compounding agent 3%, activator 1%.
[0021] The fiber is composed of aramid pulp fiber and mineral fiber, the mass ratio of the two is 3:2; the rubber is nitrile rubber; the filler is kaolin or calcium carbonate; the foaming agent is organic ADC hair foaming agent; the crosslinking agent is blocked isocyanate; the compounding agent is composed of vulcanizing agent, antioxidant and coloring agent; the activator is stearic acid.
[0022] The foaming agent is a sulfonyl hydrazide foaming agent.
[0023] The weight ratio of vulcanizing agent, antioxidant and colorant in the compounding agent is 4:2:1.
[0024] A method for manufacturing an environment-friendly foaming roll-pressed fiber-reinforced s...
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