Metasilicat de sodi és una sal d'àcid silícic, i la seva fórmula molecular es pot escriure com Na2SiO3 · nH2O. Metasilicat de sodi és un cristall molecular sota preparat per la reacció tèrmica d'una base bombolla comú amb sosa càustica
Sinònims: Sodi metasilicat pentahidratado
CAS Nº: 6834-92-0
Fórmula molecular: Na2SiO3 .5H2O
pes molecular: M = 122,066
Aspecte: pols cristal·lina blanca
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
Sodi especificació metasilicat pentahidratado
|
Na2O |
28,7-30,0% |
|
SiO2 |
27,8 a 29,2% |
|
Densitat aparent (g / cm 3 ) |
0,80-0,97 |
|
PH |
12-13 |
|
La matèria insoluble aigua |
0,05% Max |
|
fe |
100 ppm Max |
|
Mida de partícula (16-30mesh )% |
≥90.0 |
|
Punt de fusió |
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
