Pure 6PPD is white solid product, and will gradually oxidize to brown solid when exposed to the air. Industrial product 6PPD rubber antioxidant is purple brown to black brown granules or flakes, and will slowly cake when the temperature exceeds 35-40℃. Soluble in gasoline, benzene, acetone, ethyl acetate, dichloromethane, carbon tetrachloride, methylbenzene, ethyl alcohol and other organic solvents, insoluble in water.
6PPD, as a type of ursol rubber antioxidant, has better compatibility with rubbers. It is applicable to all types of synthetic and natural rubber. And It can soften sizing material and has little influence on vulcanization, so it can be used for tires and other types of rubber products. It can also be used as a heat oxygen stabilizer for polyethylene, polypropylene, and acrylic resin.
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