Jiuhong silicone rubber focus on professional mixing rubber manufacturers
Commonly used flame retardant filler in flame retardant silicone rubber
2024-10-21
Carbon black: mainly used to improve the oxygen index of silicone rubber.
Magnesium hydroxide, aluminum hydroxide: these materials will decompose when heated, absorb the temperature of silicone rubber, and magnesium hydroxide will become refractory magnesium oxide at high temperature, which is conducive to the formation of surface carbonization layer, which can isolate air and prevent combustion.
Platinum catalyst: can prevent the formation of transition complexes that promote degradation.
Silicate materials: such as diatomite, quartz powder, mica powder, kaolin, montmorillonite, etc., will expand when heated, forming a solid carbonized layer on the rubber surface, isolating oxygen and heat transfer inward.
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