Felcosil-770 Silica Matting Agent in Coating

White powder forms superfine silica. 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.

Item NO.:
Felcosil-770
EINECS No:
231-545-4
CAS No.:
10279-57-9/7631-86-9
Chemical Formula:
SiO2 nH2O
Surface BET (m²/g):
320-400
Properties:
High Surface Area, High Pore Volume, Good Matting

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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

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