Silica Abrasive Felcosil-TP 28 for High Brasive in Toothpaste Formulations
Silica Abrasive in tooth paste
Chemical Properties
Felcosil TP28 is a synthetic precipitated silica designed for oral care applications. It offers controlled abrasivity, good cleaning performance, and excellent compatibility with common toothpaste ingredients.
Its optimized particle structure helps remove surface stains and plaque while supporting the desired cleaning and polishing effect in toothpaste formulations.
Specifications
| Items | Unit | Specification |
| Appearance | – | White Powder, free of visible foreign matter |
| pH Value | 5% Slurry | 6.0-8.5 |
| Particle Size, pass on sieve 325% | – | ≥96 |
| Loss on Drying % in 105℃ | – | ≤10 |
| Loss on Ignition in 1000℃ | – | ≤8.5 |
| Sodium Sulfate (as Na2SO4+Nac) | % | ≤2.0 |
| Whiteness | – | ≥95 |
| Water Absorption | ml/20g | ≤30 |
| Purity of SiO2 | % | ≥96 |
| Iron as Fe | mg/kg | ≤350 |
| Sulfide | – | Negative |
| Heavy Metal as Pb | mg/kg | ≤15 |
| Arsenic | mg/kg | ≤3 |
| Total Aerobic Count | cfu/g | ≤200 |
| Mold & Yeast | cfu/g | ≤100 |
| Gram Negative Bacill | cfu/g | Not Detetive |
| Pseudomonas Aeruginosa | cfu/g | Not Detetive |
| S.aureus | cfu/g | Not Detetive |
| Oil Absorption Value | ml/100g | ≤150 |
| Apparent Density | g/m | ≥0.28 |
| Refractive Index | – | 1.435-1.046 |
| Light Transmittance | % | ≥90 |
| Friction Value 9000 Times of Copper Wear | – | 5-8mgCu(RDA120-180) |
Application
Felcosil TP28 is suitable for toothpaste formulations requiring medium to high cleaning and polishing performance.
Typical applications include:
- Whitening toothpaste
- Family toothpaste
- Herbal toothpaste
- Gel toothpaste
- High-cleaning toothpaste formulations
Package and storage:
- Package:20kg/ bag
- Storage: Kept in a low temperature, dry and ventilated place, avoid direct sunlight.
- Shelf life: One year in ventilating, cool and dry area.
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