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Rubber Antioxidant SP


The relative density of antioxidant SP (d20 4) was 1.07~1.09. Boiling point> 250°C. Refractive index (n25 D)1.5985-1.6020. Flash point (open cup) 182 ℃. Soluble in toluene, ethanol, acetone, trichloroethane, insoluble in solvent gasoline; insoluble in water. Low toxicity. LD50 is 3550 mg/kg. The antioxidant is SP-C an off-white powder of SP adsorbed on a mineral filler.

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