So far, Q&C has been achieving great progress in oral-care silica, successfully developed Dental Thickener Silica(DT) and Dental Abrasive Silica(DA).
Product Series |
| Dental Abrasive silica(DA) | Dental Thickener silica(DT) | ||||
|---|---|---|---|---|---|---|---|
Type Index Item
|
| NEWSIL® | NEWSIL® | NEWSIL® | NEWSIL® | NEWSIL® | NEWSIL® |
DBP
| cm3/100g | 80~95 | 85~110 | 60~80 | 125~175 | 175~200 | 200~260 |
Silica（dry basis） | % | >90 | >90 | ||||
Drying loss | % | 4.0~7.0 | 4.0~7.0 | ||||
Ignition loss (dry basis) | % | <7.0 | <7.0 | ||||
pH（5% aqueous solution） |
| 7.2~8.2 | 7.2~8.2 | ||||
Average Partical Size | um | 5~14 | 5~14 | ||||
sieve residue 45um | % | <1.5 | <1.5 | ||||
Cl | mg/kg | <0.1 | <0.1 | ||||
Na2O | mg/kg | <1 | <1 | ||||
Na2SO4 | mg/kg | <1.5 | <1.5 | ||||
Fe2O3 | ppm | <300 | <300 | ||||
Al2O3 | ppm | <2000 | <2000 | ||||
Free Crystalline Silica |
| <1.0 | <1.0 | ||||
Microbial Content |
| <1000 | <1000 | ||||
Pb |
| <10 | <10 | ||||
As |
| <3 | <3 | ||||
Hg |
| <3 | <3 | ||||