Complaint
Appearance: white powder
Physical and Chemical data:| Melting Point | Refracture index | Density |
| 1089 ºC | 1.520 | 2.614 g/m3 |
| EINECS | RTECS |
| 215-687-4 | VW0400000 |
| Index | Standard | Test Method |
| Modulus | 1.95~2.05 | ISO 1689 |
| Na2O content by wt % | 25~28 | ISO 1692 |
| SiO2 content by wt % | 48~54 | ISO 2124 |
| Na2O + SiO2 content by wt % | 78~82 | HG/T 4315 |
| Bulk density by g/L | 600~800 | GB 3603 |
| pH value (1%) | 11~12 | HG/T 4315 |
| Moisture by wt % | 6.5 max | HG/T 4315 |
| Insoluble matter by wt % | 0.1 max | ASTM D501 |
| Iron (Fe) by ppm | 100 max | ISO 6332 |
| Speed of dissolution (1%) by sec | 75 max | HT/T 4315 |
| Appearance by visual | White granules | By visual |
1. Anti-oil agent, stuffing agent and corrosion buffer
2. Binder for making fire-resistant material
3. Cement fast-drying agent in constructing industry
4. Water soluble silicon fertilizer
5. Stuffing and strengthening material in oil drilling and tunnels
6. Many other industries like metallurgy, electronics, refractory, casting and etc.
1. Sodium silicate can be made from different raw material, the mostly used are:
- Sodium Sulphate + quartz sand (we call it SSA process)
- Soda ash + quartz sand (we call it Soda Ash process)
According to Rawchem's experience, SSA process product can not be used in detergent industry due to its color and quality stability problems, so we only use soda ash process for detergent industry clients
2. There are different types of sodium silicate, just by the name "sodium silicate", normally we can not define which item exactly it is, to quote or offer, we need to know the following info:
- Liquid or solid
- Modules
3. 24 months when stored in cool, dry and ventilated warehouse, away from incompatible materials
