Molecular Formula | mSiO2·nH2O |
Use | It is used as a binder in the precision casting industry, as a main film-forming material of composite exterior wall coating in the coating industry, and also as a binder for the lining of high-temperature furnace body. In the textile, paper, advanced precision ceramics, enamel, and batteries, television and other industries are also widely used. |
Ion exchange method will dilute the water glass solution, through cation exchange and anion exchange, add sodium hydroxide solution to adjust the pH value to 7-7.5, and concentrate to obtain high-concentration silica sol.