Hydrated Silica Felcosil-TP 48 as thickening agent in Toothpaste dentifrice
Chemical Properties
Felcosil TP48 is a synthetic precipitated silica developed for toothpaste and oral care formulations. It offers excellent thickening performance, high purity, and good compatibility with common toothpaste ingredients.
Its optimized structure helps improve viscosity, texture, and formulation stability, making it suitable for a wide range of dentifrice applications.
Specifications
| Items | Unit | Specification |
| Appearance | – | White Powder, free of visible foreign matter |
| pH Value | 5% Slurry | 5.5-8.5 |
| Particle Size, pass on sieve 325% | – | ≥98 |
| Loss on Drying % in 105℃ | – | ≤10 |
| Loss on Ignition in 1000℃ | – | ≤8.5 |
| Sodium Sulfate (as Na2SO4+Nac) | % | ≤2.0 |
| Whiteness | – | ≥96 |
| Water Absorption | ml/20g | ≤42 |
| 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 | 200-250 |
| Apparent Density | g/m | 0.14-0.2 |
| Refractive Index | – | 1.435-1.046 |
| Transmittance | – | ≥94 |
Application
Felcosil TP48 is primarily used as a thickening silica in toothpaste formulations.
- Transparent toothpaste
- Translucent toothpaste
- Gel toothpaste
- Premium toothpaste formulations
- Oral care and dentifrice products
Package and storage
- Package:10kg/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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