1. Product name: Pentahydrate Sodium Metasilicate
2. Molecular Formula: Na2SiO3·5H2O
3. Cas No.: 10213-79-3
4. Specification:
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Index |
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Granular |
Powdered |
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Excellent grade |
First grade |
Excellent product |
First grade |
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Total alkali content（Na2O）% |
28.70-30.00 |
28.50-30.00 |
28.70-30.00 |
28.20-30.50 |
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Silica（SiO2）% |
27.80-29.20 |
27.30-29.20 |
27.80-29.20 |
27.30-29.00 |
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Iron（Fe）Contentppm ≤ |
80 |
150 |
100 |
200 |
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Bulk Density g/cm3 |
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|
-- |
-- |
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Granularity % |
14To60d≥95 |
14To60≥95 |
-- |
-- |
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Whiteness %≥ |
80 |
75 |
90 |
80 |
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Water insoluble% |
0.05 |
0.1 |
0.05 |
0.1 |
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Transparency %≥ |
85 |
- |
- |
- |
5.Usage: sodium metasilicate pentahydrate was mainly used in making high efficiency detergent, metal cleaner, pottery grinding aid, fire retarding agent, water retention agent, degreasing agent, textile agent and paper deinking agen
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