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 Sodium metasilicate>Sodium Metasilicate pentahydrate |
 Appearance： |
White crystalline powder |
| Molecular formula： |
Na2SiO3·5H2O |
Technical requirements： |
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Top quality |
First quality |
| Sodium oxide(Na2O) |
28.0-30.0 |
27.0-30.5 |
| Silicon dioxide(SiO2) % |
27.0-29.2 |
26.0-29.0 |
| Iron(Fe) % |
≤0.01 |
≤0.03 |
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Characteristics： |
Easily soluble in water. Aqueous solution appears basic. melting point:72°C. |
Uses： |
Easily soluble in water. Aqueous solution appears basic. |
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