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Potassium Silicate Liquid
Potassium Silicate Liquid is a transparent alkaline silicate solution with excellent chemical stability and strong bonding properties. It is widely used in mineral coatings, fire-resistant coatings, welding electrodes, and specialty paints.
Cas No: 1312-76-1 HS Code: 2839.9000
Chemical formula: K₂O·nSiO₂·H₂O
Molecular Weight: 154.28 Melting Point: 976℃
Product Description
Potassium Silicate Liquid is a transparent alkaline silicate solution with excellent chemical stability and strong bonding properties. It is widely used in mineral coatings, fire-resistant coatings, welding electrodes, and specialty paints. Due to its superior weather resistance and durability, potassium silicate liquid is often used as a binder in high-performance coatings and industrial applications. It provides strong adhesion, chemical resistance, and long-term stability, making it suitable for a variety of construction and industrial materials.
Specifications
| Specifications | Products No. | ||||||
| RX-1 | RX-2 | RX-3 | RX-4 | RX-5 | RX-6 | RX-7 | |
| Modulus (m) | 2.0-2.2 | 2.4-2.6 | 2.6-2.9 | 3.1-3.3 | 3.3-3.5 | 3.5-3.7 | 3.9-4.1 |
| Baume Be(20℃) | 49.0-52.0 | 43.0-45.0 | 43.0-45.0 | 39.0-41.0 | 33.0-34.0 | 35.0-36.0 | 28.0-29.5 |
| K2O (%) | 18.5-20.5 | 15.5-17.5 | 14.0-17.0 | 10.5-12.5 | 8.5-10.5 | 9.5-11.5 | 7.5-9.5 |
| SiO2 (%) | 25.0-27.5 | 24.0-27.0 | 28.0-31.0 | 23.5-26.5 | 24.0-26.0 | 22.0-25.0 | 18.5-20.5 |
| S (%) | ≤0.03 | ||||||
| P (%) | ≤0.03 | ||||||
| Fe (%) | ≤0.03 | ||||||
| Insoluble matter content (%) | ≤0.2 | ||||||
| Colour | Transparent | ||||||
Solid Content: 30–40%
Density(20℃): 1.30–1.45 g/cm³
pH Value: 11–13
Packaging
300kg Drums
1000kg IBC Tanks
Storage
Store in sealed containers in a cool and ventilated place. Avoid exposure to air and moisture.

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