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Felcosil Hydrated silica for Toothpaste as oral care
Silica TP28, TP 38, TP 48 are Hydrated silica with compatibility with other ingredients without and low heavy metal as standard.
Dentifrice Silica is high purity silica in produce toothpaste.
| Type | Felcosil-TP 28 | Felcosil-TP 38 | Felcosil-TP 48 |
|
Properties |
Abrasive |
Standard |
Thicken |
|
Appearance |
White Powder, free of visible foreign matter |
White Powder, free of visible foreign matter |
White Powder |
|
pH Value, 5% Slurry |
6.0-8.5 |
6.0-8.5 |
5.5-8.5 |
|
Particle Size, pass on sieve 325% |
≥96 |
≥98 |
≥98 |
| Loss on Drying % in 105℃ | ≤10 | ||
| Loss on Ignition in 1000℃ | ≤8.5 | ||
| Sodium Sulfate (as Na2SO4+Nac), % | ≤2.0 | ||
| Whiteness | ≥95 | ≥95 | ≥96 |
|
Water Absorption, ml/20g |
≤30 |
≤30 |
≤42 |
|
Purity of SiO2, % |
≥96 |
≥96 |
≥96 |
|
Iron as Fe, mg/kg |
≤350 |
≤350 |
≤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 |
140-200 |
200-250 |
|
Apparent Density, g/m |
≥0.28 |
0.2-0.25 |
0.14-0.2 |
|
Refractive Index |
1.435-1.460 |
||
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