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Instantly soluble powdery potassium(sodium) silicate
KM type instantly soluble powdery potassium silicate is a kind of silicate with better water-solubility and stronger bonding property. Its molecular formula:K2O • nSiO2 • H2O
KS type instantly soluble powdery sodium potassium silicate is kind of mixed soluble silicate with the properties of sodium silicate and potassium silicate. molecular formula:aK2O • bNa2O • cSiO2 • H2O
Technical index of instantly soluble powdery potassium(sodium) silicate:
| Index \ specification | KM-II | KM-V | KS-II(1:1) | KS-II(3:1) | KS-III(3:1) |
| Potassium oxide(K2O)/% | 31.5-35.5 | 27.0-31.0 | 11.0-15.0 | 20.0-24.0 | 17.0-22.5 |
| Sodium oxide(Na2O)/% | - | - | 12.0-16.0 | 6.0-8.0 | 5.0-8.0 |
| Silicon dioxide(SiO2)/% | 49.0-55.0 | 57.0-63.0 | 50.0-56.0 | 50.0-56.0 | 54.0-60.0 |
| Module(M) | 2.40±0.10 | 3.30±0.10 | 2.60±0.10 | 2.60±0.10 | 2.90±0.10 |
| Dissolving speed /s(30?) | ≤60 | ≤180 | ≤80 | ≤80 | ≤180 |
| Bulk density /g·ml-1 | 0.50-0.80 | 0.50-0.80 | 0.50-0.80 | 0.50-0.80 | 0.50-0.80 |
| Fineness(120 mesh pass sieve)/% | ≥95 | ≥95 | ≥95 | ≥95 | ≥95 |
Use: KM type instantly soluble powdery potassium silicate, KS type instantly soluble powdery sodium potassium silicate are used in the manufacturing industry such as electrode, special coating and in the fields with special requirements.
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