Felcosil-770 Silica Matting Agent in Coating

White powder forms 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.

 

  • 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

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

 

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

Felcosil-770 Silica Matting Agent in Coating

 

1.  Package: 10 kg/bag.

2.  Storage: Kept in a low temperature, dry and ventilated place, avoid direct sunlight.

3.  Shelf life: One year in ventilating, cool and dry area.

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