TP38 abrasive Silica in toothpaste
TP28 highly abrasive Silica in toothpaste
Type: TP28
CAS NO.: 10279-57-9
Property:
1. highly abrasive Silica
2. high polishing Silica
3. Silica in toothpaste
TP38 abrasive Silica in toothpaste
Product Name: Silica (raw material of toothpaste )
Type:TP 38
Formula: SiO2
Synonym: abrasive Silica, SiO2,appropriate friction ,raw material of toothpaste
Property:
It is a synthetic silica with superior abrasive power and compatibility with other ingredients.
It is applied to toothpastes with medium friction and cleaning value or high transparency, and has appropriate friction and cleaning performance
usage method : In the toothpaste formula, it is used alone at the dosage of 15-20%.
Properties | Target Values
(Spec Limits) |
Appearance | White Powder, free of visible foreign matter |
PH(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 |
Oil absorption value ml/100g | 140-200 |
Apparent density g/ml | 0.2-0.25 |
Refractive index | 1.435-1.460 |
Package and storage:
1. Package: 10kg/ bag
2. Storage: Kept in a low temperature, dry and ventilated place, avoid direct sunlight.
3. Shelf life: One year in ventilating, cool and dry area.