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Help CenterHigh - Whiteness and High - Hardness Quartz Sand and Quartz Powder From Hunan
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Product Introduction
Silica Fume and Quartz PowderIt has excellent dielectric properties and a low coefficient of thermal expansion. It also has complete chemical inertness and a neutral pH value. Whether in a catalytic or multi - component chemical system, it will not undergo chemical changes or induce reactions.
Main Uses:
Coatings, paints, rubber, engineering plastics, adhesives, lingke materials, precision casting, silicone rubber, ceramics, etc.
ProductAppearance:
Colored solid powder, no variegated particles, no agglomeration phenomenon.
Main Specifications and Technical Performance:
Specifications |
CG-1250mesh |
CG-1500mesh |
CG-2000mesh |
CG-2500mesh |
CG-3000mesh |
|
Chemical composition |
Moisture |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
SiO2 |
99.5 |
99.5 |
99.4 |
99.4 |
99.3 |
|
Fe2O3 |
0.10 |
0.15 |
0. 20 |
0.20 |
0.25 |
|
Loss on ignition |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
|
Median diameterD50μm |
10 |
9 |
6-8 |
6 |
5 |
Main Features:
1. High product purity, good whiteness, and uniform particle size distribution;
2. Low ion content, low conductivity, and excellent electrical insulation;
3. Stable chemical properties. It does not react with any other substances except hydrofluoric acid and strong alkalis;
4. Low oil absorption, low viscosity, good dispersibility and fluidity;
5. Resistant to acids and alkalis, high temperature, and good insulation performance;
6. High wear resistance, improving the scratch resistance of the coating;
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