silica for toothpaste is used for toothpaste
company has hygienic license
silica for toothpaste
Specification
Item | Abrasive grade |
SiO2 % | ≥95 |
Appearance | White powder |
Whiteness (WG) % | ≥93 |
PH value | 6.5-8.5 |
Under sieve 320 mesh % | ≥98 |
Weight loss on heating (105°C) % | ≤10 |
Ignition loss (900°C 2h) % | ≤8.3 |
Absorbency ml/20g | 17-20 |
Na2So4 Content % | ≤0.4 |
NaCl Content % | ≤0.1 |
Sulfide Content mg/kg | -- |
Heavy metal (Pb) mg/kg | ≤20 |
As mg/kg | ≤2.0 |
Bacteria quantity cfu/g | ≤200 |
Character: Precipitated silica dioxide used for tooth industry features low structure, low wet filtering rate, low water content, low specific surface area, low oil absorbing capacity, high friction and high filling density. It can be used as friction agent and tackifier in tooth and cosmetic industries.
Uses: Used for toothpaste and cosmetic industry.
DALIAN RICHON CHEM CO. LTD.
TEL:+86 411 82507336,82507337,82507338
FAX:+86 411 82507318
