Original
By certification 
The quality standards of Sodium Metasilicate Anhydrous（HG/T2568-2008）
Items |
National first-rate indexes |
Product testing results |
Sodium oxide (Na2O)% |
50.0-52.0 |
50.8 |
Silicon oxide (SiO2)% |
≥45 |
46.6 |
Water insoluble matter % |
≤0.25 |
0.01 |
Iron levels (Fe)% |
≤0.03 |
0.01 |
White degree |
≥75 |
87 |
Main usage：
Clay processing by deflocculation and wet grinding is a widely used procedure in the ceramic floor and wall tile industry. Sodium metasilicates act as effective,reliable and low cost deflocculant. They absorb onto the clay surface and causes the clay particles to repel one another.
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