Hydrated Silica Felcosil-TP 48 as thickening agent in Toothpaste dentifrice
Chemical Properties
Hydrated silica Felcosil-TP 48 is a synthetic silica (SiO₂, Silicon Dioxide) that serves as a superior abrasive white powder in toothpaste formulations. It is highly compatible with other ingredients, ensuring seamless integration into various toothpaste recipes.
Felcosil-TP 48 is a highly purified form of hydrated silica, widely recognized for its exceptional performance as a thickening agent in toothpaste and dentifrice formulations. Its unique properties enable it to significantly enhance the viscosity, texture, and overall stability of toothpaste products.
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
Hydrated silica Felcosil-TP 48, a superior thickening agent, is widely utilized in the formulation of transparent and translucent high-grade toothpaste dentifrices. It boasts remarkable water absorption properties, which enable it to effectively reduce the quantity of other abrasives required. As a result, it imparts a significantly higher viscosity to the toothpaste, thereby enhancing its overall consistency and stability.
Usage method: In the toothpaste formula, it is used alone at the dosage of 3-8%
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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