... , sealing gasket, petroleum pipeline, insulator, tablet powde fumed silica LM-200 White carbon black 1. Characteristic: It is a white and ... m2/g100±15130±15150±15200±25250±25300±30380±30PH value3.6~4.3Heating loss weight % (m/m) ≤1.51.01.02 ... in ambient temperature (low water content), silicone neutral rubber.A-200: used widely in sealing ring, sealing gasket, petroleum pipeline, insulator ...