Anti-tearing regenerated rubber sealing ring and preparation method thereof



The invention discloses an anti-tearing regenerated rubber sealing ring. The anti-tearing regenerated rubber sealing ring is prepared from raw materials in parts by weight as follows: 60-80 parts of regenerated rubber, 5-10 parts of polyethylene glycol terephthalate, 20-30 parts of light calcium carbonate, 0.5-1 part of hydrogenated rosin glycerol ester, 0.1-0.2 parts of sodium lignin sulfonate, 3-5 parts of an ethylene-octylene copolymer, 1-2 parts of sulphur, 4-6 parts of rosin, 2-4 parts of butyl acrylate, 1-2 parts of zinc stearate, 0.1-0.2 parts of potassium persulfate, 1-2 parts of naphthenic oil and 5-10 parts of a composite auxiliary agent. The regenerated rubber sealing ring has good mechanical performance and use performance, good sealing performance, high comprehensive performance and good anti-tearing performance, can bear larger work pressure and has a wide application range.




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