What are the preparatory processes for plasticizing

20/04/2024
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A:baking rubber; natural rubber baking temperature is generally 50 ~ 60 ℃, the time is 24 ~ 36 hours, 36 ~ 72 hours in winter. Neoprene rubber baking temperature is generally 24 ~ 40 ℃, time for 4 ~ 6 hours.
B:wash the rubber: cut the rubber before peeling off the rubber skin or brush to remove or use water to clean the surface sand and impurities, one side affects the quality of the rubber.
C:Cutting
D: broken rubber: recycled rubber, styrene-butadiene rubber, parabutadiene rubber does not need to break the rubber. Natural rubber is generally not more than 25 kilograms per roll. Rolls of rubber must indicate the rubber code.