Sodium metasilicate pentahydrate is a non-toxic, tasteless, non-polluting, white crystalline powder or granules, has a strong alkaline, detergency strong buffer force, with detergent, emulsifying, dispersing, wetting, permeability and PH value has buffering capacity.Widely used in various types of configuration lotion, metal surface cleaning, ceramic grinding aids, paper deinking and the like, are mineral products, moisture in air easily deliquescence, is the most widely used sodium metasilicate most typical one .
|
Test Items |
Standard |
Test result |
|
Sodium oxide ( Na 2 O )% |
28.70-30.00 |
29.01 |
|
Silica ( SiO 2 )% |
27.80-29.20 |
29.13 |
|
Water insoluble % |
≤0.05 |
0.02 |
|
Iron ( Fe ) ppm |
≤100 |
50 |
|
Bulk density |
0.80-0.97g/cc |
0.95 |
|
ParticularSize % (16-30 mesh) |
≥90 |
95 |
|
Whiteness |
≥80 |
95 |
|
PH(1 % Solution) |
≥12.5±1.0 % |
12.5 |
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