Product Name:Silica (SiO2), Flatting agent, Matting agent
Molccular Formular:SiO2, NH2O
Appreance:Powder
Package:10kg / Paper bag
Advantage of silica use for matting agent:
1.Good Transparency
2.Good Disperse Heat
3.Good Suspension
4.Good Flatting Efficiency
5.Good Dispersibility characteristic
Application：
Primarily used in furniture paint, wood paint, industrial paint, coil-coating, PU paint, UV paint, leather paint, water resistant paint.
Specification | CENSIL- 500 | CENSIL- 500 | CENSIL- 520 |
CENSIL- 520W |
CENSIL- 530W |
CENSIL-550 |
CENSIL- 550W |
Appearance | White Powder | White Powder | White Powder | White Powder | White Powder | White Powder | White Powder |
Whiteness | 98 | 98 | 98 | 98 | 98 | 98 | 98 |
Heating loss (105°C 1.5h) % | 2.0～3.0 | 2.0～3.0 | 2.0～3.0 | 2.0～3.0 | 2.0～3.0 | 2.0～3.0 | 2.0～3.0 |
Ignition Loss 1000°C (Dry Basis) % | 3.0~4.0 | 3.0~4.0 | 3.0~4.0 | 3.0~4.0 | 3.0~4.0 | 3.0~4.0 | 3.0~4.0 |
DBP(Oil absorption value) cm3/g | 300～350 | 300～350 | 300～320 | 300～320 | 300～320 | 180～200 | 180～200 |
PH value(5% Aqueous Suspension) | 6.5～7.5 | 6.5～7.5 | 6.5～7.5 | 6.5～7.5 | 6.5～7.5 | 6.5～7.5 | 6.5～7.5 |
SiO2(Dry Basis) % | ≥99.9 | ≥99.9 | ≥99.9 | ≥99.9 | ≥99.9 | ≥99.9 | ≥99.9 |
BET Specific Surface Area m2/g | 260～280 | 260～280 | 290～310 | 290～310 | 290～310 | 290～310 | 290～310 |
45µm Residue on sieve % | ≤0.05 | ≤0.05 | ≤0.05 | ≤0.05 | ≤0.05 | ≤0.05 | ≤0.05 |
Pore volume ml/g | 1.6～1.8 | 1.6～1.8 | 1.8～2.0 | 1.8～2.0 | 1.8～2.0 | 1.8～2.0 | 1.8～2.0 |
Average particle size | 4-5 | 4-5 | 4-6 | 4-6 | 3-4 | 4-6 | 4-6 |
Organic treatment | NO | NO | WAX | WAX | NO | WAX |
