Felcosil-770 Silica Matting Agent in Coating
High Surface Area, High Pore Volume, Good Matting
Chemical Properties
White powder form superfine silica, which is made by specific sol-gel method process. It can be dissolved by NaOH,HF. Other kinds of acid, water and organic solvents cannot dissolve the product. Resistance to high temperature, no combustion, good insulation, odourless and good extinction properties.
Specifications
|
Items |
Specification |
|
Appearance |
White Powder |
|
BET specific surface area m2/g |
320-400 |
|
SiO2 % Min |
99 |
|
Heating Loss at 105°C 2h% Max |
8.0 |
|
Ignition Loss at 1000°C 2h% Max |
7.0 |
|
pH Value (5% aqueous suspension) |
5.0-7.0 |
|
DBP absorption Value cm³/g |
2.0-3.5 |
| Total Fe mg/kg Max | 200 |
| Pore volume cm³/g | 1.8-2.2 |
| Grind µm Max | 36 |
|
Medium Size(D50) µm |
7.0-9.0 |
| Whiteness Min | 94 |
Silica matting Agent Application
Matting agent Felcosil-770 is especially used for color inkjet paper, ink and rolled material. It has a large surface area, large pore volume, high transparency, good extinction, easily dispersed, suitable for color ink-jet paper as absorption agent.
White Carbon Black, Amorphous Precipitated Silica, Precipitated Silica, White Carbon, Flatting Agent, Matting Agents, Silica Matting Agent
