Glass belongs to amorphous inorganic nonmetallic materials, generally with a variety of inorganic minerals (such as quartz sand, borax, boric acid, barite, barium carbonate, limestone, feldspar, soda, etc.) as the main raw materials, and add a small number of auxiliary materials made. Glass and Ceramics https://materials.alfachemic.com/products/glass-and-ceramics-378.html