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Product Introduction
Silica powder for jewelry casting and precision casting is a kind of inorganic non-metallic mineral functional powder material, which is made of natural quartz, fused quartz and cristobalite by fine processing such as color separation, magnetic separation, grinding and precision classification. It has good temperature resistance, acid-alkali corrosion resistance, low expansion and high purity, low stress, clean and smooth surface of castings.
Application:
It is widely used in insulating pouring of electronic components. The sintering temperature of electronic substrates (electronic ceramics) can be reduced by adding ultra-fine and ultra-pure quartz powder, and it can toughen, compact and enhance the strength of two-phase and multi-phase. It is the basic material for packaging adhesive products in the electronics industry. The electronic packaging materials used for LED, SMD, EMC electronic separation devices and electrical products are mainly waterproof, dust proof, harmful gas proof,vibration mitigation, external force damage prevention and circuit stability.
HS MINERAL Technical Data Sheet
Item |
Unit |
Standard Scope |
Typical Values |
Appearance |
- |
White Powder |
1250mesh |
SiO2 |
% |
99%-99.8% |
99.6 |
Mean Grain size |
µm |
2-25 |
6.857 |
Whiteness |
% |
90-98 |
93 |
Fe2O3 |
% |
≤0.03 |
0.008 |
Conductivity |
Us/cm |
5-30 |
6.5 |
PH value |
6.5-8.0 |
7.2 |
|
Moisture |
% |
0.02-0.1 |
0.08 |
BET(SSA) |
㎡/kg |
1700-8000 |
7500 |
Density |
g/cm3 |
2.65 |
2.65 |
Moh's hardness |
6.5-7 |
7 |
|
Melting point |
℃ |
1750 |
1750 |
We can produce 400-6000 mesh products with different specifications according to customer requirements. | |||
Main features:
1. High purity, good whiteness and even particle size distribution.
2, Low ion content, low conductivity, excellent electrical insulation.
3. Stable chemical properties, no reaction with any other substances except hydrofluoric acid and strong base.
4. Low oil absorption, low viscosity, good dispersibility and fluidity.
5, Small shrinkage, small thermal expansion coefficient, acid and alkali resistance, high temperature resistance, good insulation performance.
6. Good mechanical performance and good transparency when mixed with epoxy resin.
Company Information
Hao Sen uses high-quality quartz - water washing - sun drying - mixing - compound / melting - dry ball milling - classifier grading - impurity / complex mixing - packing, warehousing and other advanced production processes. At present, more than 30 kinds of silica micro-powder products, such as crystalline silica micro-powder, fused silica micro-powder, active (modified) silica micro-powder, high purity silica micro-powder, soft composite silica micro-powder, electronic silica micro-powder, electrical silica micro-powder, ultra-fine silica micro-powder, spherical silica micro-powder, glass powder, quartz powder, high purity quartz sand and fused silica sand, have been developed and manufactured, which are oriented to adhesives, electronic materials, fused silica micro-powder and so on. Electrical insulating materials, liquid crystal glass, medical materials, dental materials, precision casting, paint coating, functional rubber, plastics, chemical materials, nanometer materials, advanced building materials and other hundreds of different industries. Product Marketing covers more than 20 provinces and regions in the country, as well as exported to Asia, Europe, the United States, Africa and other countries.
Lianyungang Hao Sen has strong technical strength, advanced testing instruments, and improve the pre-sale, sale, after-sales service system. Always adhere to the idea that "quality is the life of enterprises and innovation is the soul of enterprises". Relying on rich quartz mineral resources, we are committed to becoming the leading supplier of industrial powder materials application programs and strive to provide customers with the best quality products and services.
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