Application of thixotropic polyester resin and gelcoat precipitated silica in thixotropic polyester resin, almost all the features Si02 use are fumed silica, on the one hand it can make the products more uniform thickness, shrinkage is small , more in line with the design requirements; the other hand, manufacturers of precipitated silica strong, since the resin has a thixotropic, reduce resin flowing and dripping r precipitated silica companies and large, reduce the waste of resin. Protected. Production environment. Sales precipitated silica in a styrene content of 43.5% phthalic unsaturated polyester, 2% of fumed silica to achieve a thixotropic index of 4.8, the thixotropic index Construction technology already meet domestic gel coat resin. The provisions of the State Bureau of Technical Supervision, hand lay-up glass fiber reinforced gel coat and resin-rich layer of unsaturated polyester resins used in food containers, except for use of fumed silica thixotropic agent shall not join other inorganic fillers. Crystal relatively rare in nature important components used to manufacture the electronics industry, optical instruments and crafts. Silica is an important raw material to manufacture optical fiber. Precipitated silica is guaranteed, Weifang Fuyuan (certified), precipitated silica provided by Weifang Fuyuan Environmental Technology Limited. Weifang Fuyuan Environmental Technology Limited (www.wfdafuyuan.com) (www.wfdafuyuan.com) Shandong Weifang, other leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer demand. In Weifang Fuyuan leadership with the staff warmly welcome all inquiries negotiations to create Weifang Fuyuan better future.