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Self-adhesive is a kind of bonding phenomenon, that is, the same kind of unvulcanized rubber is attached and placed in a fusion phenomenon after being placed for a certain period of time. This is the result of the mutual diffusion of rubber macromolecules on the two bonding surfaces through molecular thermal motion. The fastness ofContinue Reading

(1) Definition and origin Spraying is a common quality problem in the processing of rubber stoppers. It refers to the phenomenon that the compounding agent contained in the unvulcanized rubber or vulcanized rubber migrates to the surface and precipitates. Sometimes, this kind of effluent is frosty crystal, so it is customary to say that “blooming”Continue Reading