Simple classification of glass is mainly divided into flat glass and special glass. Flat glass is mainly divided into three kinds, that is, the lead method flat glass (groove, groove two), flat glass and float glass. Float glass is becoming the
Glass is a non-crystalline inorganic non-metallic material, 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 a small amount of auxiliary raw materials.
Its main composition is silicon dioxide and other oxides, the main composition is silicate double salt, is a kind of irregular structure of amorphous solid. Widely used in buildings, used to isolate wind and light, belongs to the mixture. Another mixed with some metal oxides or salts and show the color of colored glass, and toughened glass through physical or chemical methods. Some transparent plastics, such as polymethyl methacrylate, are sometimes called plexiglass.