Mainly used in thermoplastic and thermosetting plastic and rubber, including epoxy resin, unsaturated polyester, PE, PP, PVC ... heat distortion temperature and resistance to infrared ray. It now is the best filler in silicon-containing fillers.2. Technical ... .2~0.3PH9~9.53. UsesMainly used in thermoplastic and thermosetting plastic and rubber, including epoxy resin, unsaturated polyester, PE, PP, ...