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nature : compound to a higher temperature in the beginning mixing heating for some time, with the benefit of the agent dispersed, or beneficial to the enhancement of vulcanizates performance, this operation is known as the rubber heat treatment. For example, a generator butyl rubber, cohesive low and difficult to roll pack, can first join the heat treatment agent (such as two pairs of Nitrosobenzene a ~ 1.5), again in direct steam or hot air (about 150 ° C) heat 2 to 4 hours. Or invest in the mixer after heating rubber additives, plastic temperature rose to 120 ~ 200 ° C for heat treatment. Another example by ethylene-propylene rubber vulcanization heat treatment can improve the physical properties of plastic, silicon rubber and fluorine in the second paragraph of vulcanized rubber in which heat oven to 200 ° C temperatures of about six air heating ~ 24h, and is a heat treatment process.
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