Other name： Sodium meta silicate Pentahydrate; disodium oxosilanediolate; sodium oxosilanediolate hydrate (2:1:5); silanediolate, 1-oxo-, sodium salt, hydrate (1:1:5)
CAS No.: 6834-92-0
EINECS No.: 239-476-1
HS No.：2839110000
Molecular Formula: Na2SiO3.5H2O
Molecular weight: 212.14
1. Appearance: non-toxic, tasteless, pollution-free white powder or crystal particles,
2. Specifications:
Quality standards：HG/T2568-2008
| Item Index | Superior product | First grade |
| Silicon dioxide(SiO2), wt%≥ | 27.8-29.2 | 27.3-29.0 |
| Sodium oxide(Na2O) , wt%≥≤ | 28.7-30.0 | 28.2-30.0 |
| Insoluble matter in Water，wt % ≤ | 0.05 | 0.10 |
| Iron（Fe）, wt%≤ | 0.01 | 0.02 |
| Whiteness (R457)， wt % ≥ | 80 | 75 |
4. Uses:
A, Widely used in all types of washing industry. In washing industry, such as super concentrated detergent, laundry detergent, laundry cream, dry cleaners, fiber, fabric bleach white agent, etc, also used for metal surface cleaning agent, large amounts of beer bottles, floating product soluble detergent, can be done after the soluble metal corrosion inhibitor, scale cleaner, electric parts, detergent, detergent can be used in the food industry.
B, In crude oil and natural drilling mining engineering also can be used as a mud consistency regulator, slurry deflocculation agent.
C, In the construction industry, it is used as a modulation acid-resistant concrete and cement mortar, acid of coagulant.
D, Can be used as a binder in papermaking industry, waste paper peeling agent of printing ink, paper surface treatment agent.
E, In the textile industry as a printing assistant, fabric before treatment.
F, packing, also can be used as a soap detergent, eggs antistaling agent, molecular sieve, and vegetation, silicate and fireproof material, etc.
5. Storage: pay attention to the "moisture", "rain". Store in a cool, ventilated, dry place. In the process of transportation moisture-proof, waterproof, prevent exposure.
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