Sodium metasilicate adalah garam dari asam silikat, dan rumus molekul yang dapat ditulis sebagai Na2SiO3 · nH2O. Sodium metasilicate adalah kristal molekul rendah disiapkan oleh reaksi termal basis gelembung umum dengan soda kaustik
Sinonim: Sodium metasilicate pentahidrat
CAS tidak ada: 6834-92-0
Molecular formula: Na2SiO3 .5H2O
berat molekul: M = 122,066
Penampilan: bubuk kristal putih
Sodium metasilicate pentahydrate is strongly alkaline, having strong capacity of cleaning, buffering and softening, counteracting acidic contamination, emulsifying fat and oil, deflocculating to inorganic. It can replace STPP to be used for the manufacture of effective detergents and rust remover for metal, reducing environmental pollution, preventing corrosion for metal (zinc, aluminum, etc.). Therefore, sodium metasilicate pentahydrate is widely used for the manufacture of a variety of detergents, used as rust remover for metal, grinding aids for ceramics, deinking agent for paper, dyeing and printing auxiliary for removing oil in textile industry, and also used as the raw material for flameproofing agent, plastic maintenance agent, water retention agent, etc. Used in water reducing agents, sodium metasilicate pentahydrate is able to integrate more hydrones to make better moisture absorption effect
Sodium spesifikasi metasilicate pentahidrat
Na2O |
28,7-30,0% |
SiO2 |
27,8-29,2% |
Bulk density (g / cm 3 ) |
0,80-0,97 |
PH |
12-13 |
Air peduli larut |
0,05% Max |
Fe |
100 ppm Max |
Ukuran partikel (16-30mesh )% |
≥90.0 |
Titik lebur |
72.2 ℃ |
It is widely used to prepare various detergents.ceramic slurry formingIn addition, it is also widely used in textile, paper making, oil extraction and other industries