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why rubber needs zinc oxide?

Posted on Tue, 08 Mar 2016 09:44:41 GMT
The natural rubber is viscous liquid and have no use for human. All rubber we see in daily life are vulcanized rubber. The vulcanized rubber have stronger internal molecular force and make the rubber  a elastic solid rather than viscous liquid. Only vulcanized rubber can manufacture type for cars, balls for sports and make a huge impact on our life. The natural rubber and sulfur can react and get vulcanized rubber but it takes 2 days.

It is very inefficient. However, we found zinc oxide would be a great activator for reducing vulcanizing time from 2 days to hours. Zinc oxide is wildly used in rubber industry for producing vulcanized rubber. 

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