Silicone Oil, Polysilazane, Precipitated Silica manufacturer / supplier in China, offering Two-Component Addition Elastic Mold Material Mold Making Silicone Rubber Iota 1340, High Transparency Two-Component Addition Mold Making Silicone Rubber Iota 1330, High Tear Resistance Mold Making Silicone Rubber Iota 1320 and so on.