Anti-flaming smoke-suppressing automobile sealing strip rubber material and preparation method thereof

The invention discloses an anti-flaming smoke-suppressing automobile sealing strip rubber material which is prepared from the following raw materials in parts by weight: 100-120 parts of ethylene propylene diene monomer, 20-30 parts of white carbon black, 20-30 parts of sepiolite powder, 2-4 parts of zinc oxide, 1.5-2.5 parts of sulphur S80, 1.5-2.5 parts of anti-aging agent MB, 0.3-0.5 part of accelerant TMTD, 3-5 parts of methyltrimethoxysilane, 3-5 parts of pentaerythritol, 0.5-1 part of polyvinyl alcohol fiber, 0.5-1 part of tetrabutyl titanate, 0.15-0.25 parts of titanate coupling agent NDZ-401, 6-8 parts of nanometer graphite powder, 20-30 parts of castor oil and 0.3-0.5 part of turkey red oil. The rubber material disclosed by the invention has an excellent wear-resisting effect, a long-lasting antifriction performance and an excellent anti-flaming smoke-suppressing performance. Used as an automobile sealing strip material, the rubber material has the advantages of long service life and excellent sealin