Sodium Metasilicate Pentahydrate CAS 10213-79-3

Sodium Metasilicate Pentahydrate CAS 10213-79-3


Classification:Silicate

CAS No.:10213-79-3

Molecular Fomula:Na2SiO3.5H2O

Appearance:White powder or granular

Grade Standard:Industrial Grade

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Sodium Metasilicate Pentahydrate CAS 10213-79-3


Sodium Metasilicate Pentahydrate Product Description


Sodium Metasilicate Pentahydrate

Classification:Silicate

CAS No.:10213-79-3

Molecular Fomula:Na2SiO3.5H2O

Appearance:White powder or granular

Grade Standard:Industrial Grade


Sodium Metasilicate



Sodium Metasilicate Pentahydrate Specifications



Checking Item

Test Standard

Test Result


(HG/T2568-08)


Sodium oxide(Na2O)%

28.70-30.00

29.01

Silica(SiO2)%

27.80-29.20

29.08

Water insoluble%

0.05

0.03

Fe(ppm)

100ppm

58

Whiteness%

80

87

Bulk Density

0.80-0.97g/cc

0.95

PH of 1.0% Solution

12-13

12.50

Melting Point

72.2℃

72.2℃

ParticularSize %(16-30 mesh)

90

97



Sodium Metasilicate Pentahydrate Application


1. It has the strong capability of cleaning, widely used for the manufacture of a variety of detergents in detergent industry, so it is the best substitute for STPP, reducing environmental pollution. 

2. Sodium meta silicate provides anti-corrosion protection to metals (zinc, aluminum, etc.) and is used as metal cleaner and metal surface treatment agents.

3. In the textile industry: mainly used as printing and dyeing auxiliaries, fabric pre-treatment agent and as detergents in cooking and dyeing cotton yarn.

4. In the Paper & Printing Industry: It can be used as adhesives, old paper deinking agent, paper surface treatment agent and printing detergent.

5. In the ceramic industry: used for sludge thinners. It is especially suitable for additives used in slip-casting forming and ceramic forming.

6. In the metallurgical industry: used as inhibitors and dispersing agent of silicon-containing minerals, smelting furnace dispersants, fast-drying agents, and foundry and separating agents.

7. In the construction field: used for concrete dispersion agent and hardening accelerator. It is also used as coagulation accelerator.


Sodium Metasilicate

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