Silicone Oil, Polysilazane, Precipitated Silica manufacturer / supplier in China, offering Trimethylsiloxysilicate Iota 91002 Applied to Cosmetics, Octamethylcyclotetrasilazane Iota N209 for Synthetic Rubber and Engineering Plastics CAS No: 1020-84-4, Hexamethylcyclotrisilazane Iota-N202 Used in Synthetic Rubber Andengineering Plastics and so on.