Hydrated Silica Felcosil-TP 38 for Abrasive Toothpaste Formulations
Chemical Properties
Hydrated silica in toothpaste Felcosil-TP 38 is a synthetic silica with superior abrasive podwer and compatibility with other ingredients.
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% |
- |
≥98 |
| 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 |
140-200 |
|
Apparent Density |
g/m |
0.2-0.25 |
|
Refractive Index |
- |
1.435-1.046 |
Felcosil-TP38 Silica is common type in make tooth paste.
Hydrated Silica Application
- Range of cleaning levels: from gentle to strong cleaning
- Compatible with numerous therapeutic ingredients
- A wide range of optical appearances: from opaque to clear, striped, and two-phase toothpastes
- Optimized rheology control
