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Question:

What's wrong with rubber whitening?

What's wrong with rubber whitening?

Answer:

White: may refer to spray frost (dissolved in more than rubber, drugs in rubber migration to the rubber surface), 1 reasons, excessive drug formulation; 2, sulfur is not complete, the two plus sulfur solution (130 - to 1 hour);It may be a white filler in rubber, so there's no way out. It's only the formula;
Rubber whitening (spray cream) the main reason for analysis, rubber spray cream, including rubber surface spray and surface spray cream. Spray (Bloom) is a phenomenon in which liquid or solid agents migrate from rubber to rubber surfaces [1]. It can be seen that the inner compound of rubber will precipitate and form a spray. There are three kinds of forms of rubber spray. Powder spraying, wax injection, injection (also known as exudation).1. powder is a curing agent, accelerator, activator, antioxidant and filler powder with precipitation agent on the rubber surface, and form a layer of powder.2. spray wax is paraffin wax, ceresin wax precipitation etc. on the rubber surface, forming a layer of wax.3. fuel injection is softening agent, tackifier, lubricants, plasticizers and other additives in liquid precipitation of the rubber surface, and form a layer of oil.In practice, frost forms on rubber surfaces sometimes appear in one form, sometimes in two or three forms.

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