Product Specifications
| Prod Model: |
sodium metasilicate pentahydrate |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Product Name: |
Factory Supply Sodium Metasilicate Pentahydrate |
| CAS No: |
6834-92-0 |
| Other Name: |
Five Hydrated Sodium Silicate |
| Mf: |
Na2sio3.5H2O |
| Einecs No.: |
229-912-9 |
| Place Of Origin: |
China(Mainland) |
| Purity: |
98% |
| Application: |
Detergent |
| PH: |
12.6 |
| Water Insoluble: |
0.08% |
| Type: |
Sodium Silicate |
| Grade Standard: |
Industrial Grade |
| Appearance: |
Powder |
Product Description
Sodium metasilicate pentahydrate is an inorganic white powder or crystalline granules, non-toxic, tasteless and environment-safe. It is easy soluble in water, insoluble in alcohol or in acid producing an alkaline solution, very hygroscopic when reacting with CO2 and water from the air. It has the capabilities of removing scale,
emulsifying, dispersing, wetting, penetrating, and also has the capability of buffering PH value.
Specification
Checking Item |
Test Standard
(HG/T2568-08) |
Test Result |
Sodium oxide(Na2O)% |
28.7-30.00 |
29.10 |
Silica(SiO2)% |
27.8-29.2 |
28.98 |
Water insoluble% |
≤0.05 |
0.04 |
Fe(ppm) |
≤100ppm |
60 |
Whiteness% |
≥80 |
88 |
Bulk Density |
0.80-0.97g/cc |
0.95 |
PH of 1.0% Solution |
12-13 |
12.65 |
Melting Point |
72.2ºC |
72.2ºC |
ParticularSize %(16-60mesh) |
≥90 |
98 |
Packaging & Shipping
The inner bag is sealed PE plastic bag while the outer bag is tidely sutured plastic woven or kraft bag.
Net weight: 25kg
Packed in accordance with the requirements.
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