ZC770 Silica Matting Agent in Coating

Sales ZC770 Silica Matting Agent in Coating

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.


  • EINECS No : 231-545-4
  • CAS No. : 10279-57-9/7631-86-9
  • Chemical Formula : SiO2 nH2O
  • Properties : For wood paint, metal surface, leather, high-end furniture and decorative plates. Shall not be used for food processing.
  • Surface BET (m²/g) : 320-400

Product Detail  

ZC770 Silica Matting Agent in Coating

High Surface Area, High Pore Volume, Good Matting


Product Name

White Carbon Black, Amorphous Precipitated Silica, Precipitated Silica, White Carbon, Flatting Agent, Matting Agents, Silica Matting Agent


Chemical Properties

Matting agent ZC770 is kind of precipitated silica, White powder form superfine silica, which is made by specific sol-gel method process.

Matting agent ZC-770 can be dissolved by NaOH, HF. Other kinds of acid, water and organic solvents cannot dissolve the product.


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 ZC770 is an untreated fine-grained precipitated silica with 4-6 um particle size. This efficient matting agent is especially suitable for pigmented systems.

Matting agent ZC770 is often used in can and coil coatings, decorative coatings, wood coatings and industrial coatings such as polyurethane varnishes, air drying and oven-dried industrial coatings and DIY paints etc.

Adding Matting agent ZC770 will improve the viscosity of coatings and paints, thus enhancing the convenience in using these materials.

Matting agent ZC770 is especially used for color inkjet paper, ink and rolled material. It has large surface area, large pore volume, high transparency, good extinction, easily dispersed, suitable for color ink-jet paper as absorption agent.

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