Fused silica powder (Fused silica), Department of Donghai County, the local high-quality selection of natural quartz, the high temperature melting, after cooling the amorphous silicon dioxide as the main raw material, and then by the company's unique processing of the powder. High purity of the product, with thermal expansion coefficient, low stress, high moisture resistance, excellent characteristics such as low-level radioactive 
 This product is mainly used in electronic packaging, investment casting, high electrical insulation, paint, silicone rubber and other industries.