Lower iron content
It is highly fluoride compatible and can be used in all fluoride-containing toothpaste formulation systems
It has high compatibility with fragrances and other ingredients in toothpaste
High cleanliness and low wear
Application: Applied to high cleaning whitening toothpaste, with high cleaning ability
Addition amount: It is recommended to add 8%-15%, compound 8-10% thickened silica
Friction value: RDA 170-220, PCR 100-140
| Project | Unit | Technical indicators | Typical values | Method |
| Appearance | White powder, no particles, no impurities by visual inspection | Qualified | QB/T 2346-2015 | |
| Whiteness (Wg) | % | ≥93 | 97 | QB/T 2346-2015 |
| Oil absorption value | g/100g | 50 - 65 | 60 | QB/T 2346-2015 |
| Water absorption | ml/20g | 8 - 12 | 10 | QB/T 2346-2015 |
| Burn and lose weight | % | ≤8.5 | 4.3 | QB/T 2346-2015 |
| Volatiles | % | ≤10 | 4 | QB/T 2346-2015 |
| SiO₂ content | % | ≥96 | 98 | QB/T 2346-2015 |
| Salt content | % | ≤2.0 | 0.5 | QB/T 2346-2015 |
| PH（5%） | % | 6.0 - 8.5 | 7.5 | QB/T 2346-2015 |
| 325 Mesh Sieve Substances | % | ≥98 | 98 | QB/T 2346-2015 |
| Apparent density | g/mL | ≥0.3 | 0.45 | QB/T 2346-2015 |
| D50 particle size | μm | 6.0 - 14.0 | 9 | QB/T 2346-2015 |
| Fluorine compatibility | % | ≥90 | 99 | QB/T 2346-2015 |
| Iron | mg/kg | ≤350 | 135 | QB/T 2346-2015 |
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