Toothpaste with silica, Jinhai Wang (certified), Weihai silica

 Silica - Production Process 1. decomposition of sodium carbonate and precipitated silica second filter, then the box filter press silica rubber silica in the filter, washed with water until the sex; 2. the silica filter box inside out, by refining beating, and after acid precipitation eight hours, and the third with a box-type filter press to remove brine silica, in 300 hot air drying air drying systems ℃ above, you can get more than 325 mesh, 325 mesh silica senior superfine active two varieties; 3. High ultrafine activity of the D or obtained two varieties of silica, at 800--1000 ℃ high temperature oven drying can get instead of fumed silica produced products. Common concentrated phosphoric acid (or pyrophosphate) etching silicon dioxide at high temperatures can generate heteropolyacids, the high temperature molten borates or boric anhydride can corrode silica inkjet paper with silica, in view of this Properties toothpaste silica, ceramic firing borate can be used in a flux, in addition to hydrogen fluoride can be dissolved silica acid, soluble in water to generate fluorosilicic acid: 6HF + SiO2 = H2SiF6 + 2H2O toothpaste with silica, Jinhai Wang (certified), Weihai silica provided by Weifang Chemical Co., Ltd. Jinhai Wang. Weifang Jinhai Wang Chemical Co., Ltd. (www.jhwchem.com) (www.jhwchem.com) Shandong Weifang, chemical products leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer demand. In Jinhai Wang leadership with the staff warmly welcome all inquiries negotiations to create a better future Jinhai Wang.