Also known as diphenyl guanidine D accelerator, the accelerator DPG, molecular weight 211.26. Pure is a white crystalline powder, Bitterpungent sweet. The relative density (20 ° C / 4 ° C)> 1.13, the melting point of 114 to 150 ° C and 170 ° C above decomposition. Soluble ethanol, benzene, toluene, chloroform, acetone, ethyl acetate. Inorganic soluble in dilute acid. Micro-soluble carbon tetrachloride, almost insoluble in water and petrol. Stability in the air. Low toxicity, and skin contact with irritation.
rubber adhesives used for high-temperature vulcanization accelerator.
stored in a dry, ventilated public coffers.
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