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Sodium Metasilicate pentahydrate

Appearance: White crystalline powder
Molecular formula: Na2SiO3·5H2O
Technical requirements:

 
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) ppm
≤0.01
≤0.03

Characteristics: Easily soluble in water. Aqueous solution appears basic. melting point:72癈.
Uses: Easily soluble in water. Aqueous solution appears basic.

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