Silica gel has good biocompatibility, small reaction to the body, stable performance, low hemagglutination, can withstand high temperature and pressure for many times cooking, and can be processed into various shapes of products, such as film, sponge, air bag, which is currently the most widely used material in medicine.           
The application of silica gel in the fields of textile, printing, machinery, plastics, chemistry, papermaking, food and cosmetics has also increased significantly. A typical product is a roller made of silica gel, which is used for heat setting, embossing, calendering and fixing of copying machines for fabrics and plastics. The window made of silica gel film has been used to store fruits and vegetables. In addition, silica gel has also achieved good results in textile high temperature equipment and equipment with high concentration of alkali, sodium hypochlorite and hydrogen peroxide.