... 0Apparent density g/L≤603. Uses: It is used widely in silicon rubber, construction sealant, coating, electron and electric, aerospace, ... water content), silicone neutral rubber.A-200: used widely in sealing ring, sealing gasket, petroleum pipeline, insulator, tablet ... thixotropic agent for electronic component.A-380: used widely in reinforcing agent for silicone rubber, medical silicone rubber for ...