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العربية Silica Sol, Home Freshener, Crystal Cat Litter, Column Chromatography Silica Gel, Sodium Silicate
Silica sol is a kind of colloid. It is odorless and nontoxic. Its chemical molecular formula is mSiO2.nH2O. Silica sol has relatively large specific surface area, and it is colorless and transparent. It has high bonding strength and high heat-resisting performance (1500-1600℃).
Use
Silica sol can be used as the cohesive agent for various fireproof materials and used for making catalyst and as catalyst carrier. Meanwhile it can also be used in coating material production and paper-making industries, to name a few.
Specification
| Item | Basic Sodium Type | Acidic Non-Stabilizer Type | Typical Value | ||||||
| JN-20 | JN-25 | JN-30 | JN-40 | SW-20 | SW-25 | SW-30 | JN-25 | SW-25 | |
| SiO2, % | 20.0-21.0 | 25.0-26.0 | 30.0-31.0 | 40.0-41.0 | 20.0-21.0 | 25.0-26.0 | 30.0-31.0 | 30.3 | 25.6 |
| Na2O, % ≤ | 0.30 | 0.30 | 0.30 | 0.40 | 0.04 | 0.05 | 0.06 | 0.25 | 0.04 |
| PH value | 8.5-10.0 | 8.5-10.0 | 8.5-10.0 | 9.0-10.5 | 2.4-4.0 | 2.4-4.0 | 2.4-4.0 | 9.6 | 2.8 |
| Viscosity (25℃),mp a.s ≤ | 5.0 | 6.0 | 7.0 | 25.0 | 5.0 | 6.0 | 7.0 | 5.4 | 3.0 |
| Density (25℃), g/cm3 | 1.12-1.14 | 1.15-1.17 | 1.19-1.21 | 1.28-1.30 | 1.12-1.14 | 1.15-1.17 | 1.19-1.21 | 1.20 | 1.16 |
| Average particle diameter, nm | 10-20 | 10-20 | 10-20 | 10-20 | 10-20 | 10-20 | 10-20 | 11 | 10 |
Packaging
Every 25kg or 250kg silica sol is packaged in a plastic drum.
Storage and transportation conditions
Maintain 0-40℃ during storage and transportation, and meanwhile, avoid freezing or exposing to the sun.
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