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Sodium Metasilicate

Sodium Metasilicate

Chemical Name: Sodium Metasilicate
Molecular Formula: Na2SiO3,Na2SiO3 ▪ 5H2O
Molecular Weight: 122.06,212.14
CAS No.: 6834-92-0,10213-79-3
Standard Executed: HG/T 2568-2021  

Appearance
White crystalline particles.

Application
• Used in super-concentrated laundry detergents, detergents, metal cleaners, food industry detergents;
• Used in paper bleaching, cotton steaming, porcelain clay dispersant and so on;
• It can be used as mud consistency adjusting agent and mud unconsolidating agent in crude oil and natural drilling control and extraction projects.

Packing
• Net weight : 25kg;
• PP woven bag, with inner PE plastic bag.

Specification

Item

Standard

Sodium metasilicate anhydrous

Sodium metasilicate pentahydrate

Oxide (Na2O) ω/%              ≥  

50.0

28.5

Silicon dioxide (SiO2) ω/%       ≥

45.0

27.8

Water insoluble matter ω/%      ≤

0.20

0.05

Iron (Fe) ω/%                  ≤

0.02

0.01

whiteness                     ≥

85

80

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