Sodium silicate (water glass)
This product is suitable for the modifiers used in the flotation of non-ferrous metal ores.
Classification:
Product Description
Product Name: Sodium Silicate (Water Glass)
Properties: Liquid sodium silicate is a colorless, slightly colored transparent or translucent viscous liquid. Solid sodium silicate is a colorless, slightly colored transparent or translucent glassy block.
Usage: This product is suitable as a modifier for the flotation of non-ferrous metal ores.
Standards: GB/T 4209—2022
Specifications:
Table 1 Industrial Liquid Sodium Silicate Requirements
Item | Index | ||||||||||||||
| L-350-36 | L-330-37 | L-280-41 | L-250-47 | L-250-37 | |||||||||||
| Superior Product | First-Class Product | Qualified Product | Superior Product | First-Class Product | Qualified Product | Superior Product | First-Class Product | Qualified Product | Superior Product | First-Class Product | Qualified Product | Superior Product | First-Class Product | Qualified Product | |
| Iron (Fe) (%) ≤ | 0. 01 | 0. 03 |
| 0. 01 | 0. 03 |
| 0. 01 | 0. 03 |
| 0. 01 | 0. 03 |
| 0. 01 | 0. 03 |
|
| Insoluble Matter (%) ≤ | 0. 10 | 0. 40 | 0. 50 | 0. 10 | 0. 20 | 0. 80 | 0. 10 | 0. 40 | 0. 50 | 0. 20 | 0. 80 | 1. 00 | 0. 10 | 0. 40 | 0. 50 |
| Density (20 °C)/(g/mL) ≥ | 1. 332 | 1. 345 | 1. 397 | 1. 483 | 1. 345 | ||||||||||
| Sodium Oxide (Na2 O) (%) ≥ | 7. 5 | 8. 2 | 10. 2 | 12. 8 | 9. 5 | ||||||||||
| Silicon Dioxide (SiO2) (%) ≥ | 25. 0 | 26. 0 | 25. 7 | 29. 2 | 22. 1 | ||||||||||
| Modulus | 3.41~3.70 | 3.11~3.40 | 2.65~3.10 | 2.20~2.64 | 2.20~2.64 | ||||||||||
Table 2 Industrial Solid Sodium Silicate Requirements
Item | Index | |||||||||||
| S-350 | S-330 | S-280 | S-250 | |||||||||
| Superior Product | First-Class Product | Qualified Product | Superior Product | First-Class Product | Qualified Product | Superior Product | First-Class Product | Qualified Product | Superior Product | First-Class Product | Qualified Product | |
| Soluble Solid (%) ≥ | 99. 0 | 98. 0 | 97. 0 | 99. 0 | 98. 0 | 97. 0 | 99. 0 | 98. 0 | 97. 0 | 99. 0 | 98. 0 | 97. 0 |
| Iron (Fe) (%) ≤ | 0. 015 | 0. 10 | — | 0. 015 | 0. 10 | — | 0. 015 | 0. 10 | — | 0. 015 | 0. 10 | — |
| Aluminum Oxide (Al2 O3) (%) ≤ | 0. 15 | 0. 30 |
| 0. 15 | 0. 30 |
| 0. 15 | 0. 30 |
| 0. 15 | 0. 30 |
|
| Modulus | 3.41~3.70 | 3.11~3.40 | 2.65~3.10 | 2.20~2.64 | ||||||||
Packaging: Industrial liquid sodium silicate should be packaged in clean iron barrels, plastic barrels, or tankers. Industrial solid sodium silicate should be packaged in plastic woven bags, and other packaging forms and specifications can be used according to user needs.
Storage: Should be stored in a well-ventilated and dry warehouse.
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