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Silicates and Silica
Silicate
List
Potassium Silicate
The molecular formula of potassium silicate is generally expressed as K2O・nSiO2・XH2O. Currently, commercially produced products are potassium silicate aqueous solutions with a molar ratio of 2.0 to 3.8.
Chemical name: Potassium silicate
Chemical formula: K2O・nSiO2・XH2O
Chemical formula: K2O・nSiO2・XH2O
| Product Name | Packing Style | CAS RN® | Chemical Name | Synonyms | Chemical Formula | SiO2(%) | K2O(%) | Molar ratio | Fe(%) | Specific gravity (20°C, Be') |
|---|---|---|---|---|---|---|---|---|---|---|
| Potassium Silicate 2K | 25 kg/can, 250 kg/drum | 1312-76-1 | Potassium silicate | Potassium silicate | K2O・nSiO2・XH2O | 19.5–21.5 | 8.5–9.5 | 3.4–3.7 | ≦0.02 | 29.5–31.5 |
| Potassium Silicate A | 25 kg/can, 270 kg/drum | 1312-76-1 | Potassium silicate | Potassium silicate | K2O・nSiO2・XH2O | 25.5–27.5 | 12.5–14.5 | 2.9–3.2 | ≦0.02 | 40.5–41.5 |
| Potassium Silicate C | 25 kg/can, 300 kg/drum | 1312-76-1 | Potassium silicate | Potassium silicate | K2O・nSiO2・XH2O | 28.0–30.0 | 17.0–18.0 | 2.5–2.7 | ≦0.02 | 47.0–49.0 |
| Potassium Silicate 1K | 25 kg/can, 300 kg/drum | 1312-76-1 | Potassium silicate | Potassium silicate | K2O・nSiO2・XH2O | 27.5–29.0 | 21.0–23.0 | 1.8–2.2 | ≦0.02 | 52.0–53.0 |
Main applications: Coating adhesives for welding rods, admixtures for potassium soap, raw materials for fire-resistant coatings
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