... additives to the company, Carbon Black, Rosin Ester, OH POLYMER, DIMETHYL SILICONE FLUID, FUMED SILICA AppearanceWhite powderSpecific surface area (m2/g ... <2.0<2.0PH value3.8~453.8~453.8~4.53.8~4.53.8~4.53.8~4.5SiO2 (%)>99.8>99.8>99.8>99.8>99.8>99.8Chloride content (%)<0.025<0 ... additives to the company, Carbon Black, Rosin Ester, OH POLYMER, DIMETHYL SILICONE FLUID, FUMED SILICA , AND SO ON.If you have ...