Insoluble in acid-alkali solutions
The color is stable under high temperature conditions
White particles, the mesh number can be adjusted
The low density and small particle size make the paste uniform in color
Used in toothpaste to make the toothpaste look more colorful
Raw material source: silica is derived from renewable resources, such as rice husk, sugarcane, etc
Addition amount: It is recommended to add 0.2%-0.5% to toothpaste
| Project | Unit | Technical indicators | Method |
| Burn and lose weight | % | ≤8.5 | QB/T 2346-2015 |
| Volatiles | % | ≤10 | QB/T 2346-2015 |
| silica content | % | ≥96 | QB/T 2346-2015 |
| Salt content | % | ≤2.0 | QB/T 2346-2015 |
| PH（5%） | % | 5.5-8.5 | QB/T 2346-2015 |
| Mesh (40-120) | % | ≥70 | QB/T 2346-2015 |
| Iron | /mg/kg | ≤100 | QB/T 2346-2015 |
| Lead | /mg/kg | ≤15 | GB 1886.90-2015 |
| Arsenic | /mg/kg | ≤3 | Cosmetics Safety Technical Management Specification (2015) |
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