... . It is widely used in tyre, medicine-making,gel-rubber shoe-making,paint. Hydrophilic fumed silica white and colloidal micro ... industries.A-150: used widely in silicone acid rubber, sulfurized silicone rubber in ambient temperature (low water content), silicone ... : used widely in reinforcing agent for silicone rubber, medical silicone rubber for transparent artificial organs and artificial heart etc ...