Product Name:Sodium Metasilicate Pentahydrate
Other Name: Disodium Trioxosilicate
Main Properties: White granules or powder
Molecular formula: Na2SiO3.5H2O
U.N. NO. :3253
DG CLASS : 8
SUB RISK :None Allocated
PACKAGING GP : III
Quality: HG/T2568-94 Edition
USES : Used in the formulation of household and industrial detergents; metal treatment; as a binder in the preparation of refractory bricks, castings etc.; Ceramic Industry - as a component to increase the fluidity of the water slurry of clay.
Specification: (Powder)
Sodium Oxide(Na2O) |
28.00-30.00% |
Silica(SiO2) |
27.00-29.00% |
Water insoluble |
0.2%max |
Iron(Fe) |
80ppm max |
Whiteness |
80%min |
Specification: (Granule)
Sodium Oxide(Na2O) |
28.5-30.00% |
Silica(SiO2) |
27.00-29.00% |
Water insoluble |
0.2%max |
Iron(Fe) |
0.01% max |
Whiteness |
85%min |
Melting Point |
72.2℃ |
pH of 1% solution |
12--13 |
|
