Sodium Metasilicate pentahydrate
Appearance: white crystalline powder
Molecular formula:Na2SiO3·5H2O
Technical requirements:
| |
First grade |
Top grade |
| Sodium oxide (Na2O)% |
28.0-30.0 |
27.0-30.5 |
| Silicon dioxide(SiO2)% |
27.0-29.2 |
26.0-29.0 |
| Fe% |
≤0.01 |
≤0.03 |
Properties:Easily soluble in water. Aqueous solution appears basic, Melting point 72°C.
Uses: ingredient of detergent and metal cleaner
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