Product Details
Product Description
Product Description
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 used in precision jewelry casting such as gold, platinum,K gold and so on. It is the main raw material in jewelry casting process. It is used in precision stainless steel casting, shoe mold casting, advanced building materials, national defense and other fields.
Main Features:
1.High purity, good whiteness and uniform particle size distribution.
2. Acid and alkali corrosion resistance, low expansion, high purity and low stress.
3. Good fluidity, high fire resistance, low expansion coefficient and crack resistance.
4.Casting surface is smooth and delicate, which can greatly reduce the polishing cost of users.
5. Low price and can replace expensive zircon powder.
6. Imported casting powder is very expensive, which brings huge cost burden to users. After years of research and innovation, Haosen Mineral has broken the technical blockade of foreign countries. Not only low price, good quality, but also greatly reduced the production cost of users, which makes the domestic casting industry get rid of dependence on foreign casting powder.
HS MINERAL Technical Data Sheet
Item
| Unit
| Standard Scope
| Typical Values
|
Appearance
| -
| White powder
| 600mesh
|
SiO2
| %
| 99%-99.8%
| 99.6
|
Mean Grain size
| µm
| 2-25
| 11.98
|
Whiteness
| %
| 90-98
| 92
|
Fe2O3
| %
| ≤0.03
| 0.008
|
Burning Vector( LOI)
| %
| 0.1-0.3
| 0.16
|
PH Value
|
| 6.5-8.0
| 7.2
|
Moisture
| %
| 0.02-0.1
| 0.08
|
Cristobalite Content
| %
| 65-95
| 73.8
|
BET(SSA)
| ㎡/kg
| 1700-8000
| 5645
|
Density
| g/cm3
| 2.65
| 2.65
|
Moh's hardness
|
| 5-7
| 7
|
Melting point
| ℃
| 1750
| 1750
|
HAOSEN MINERAL can produce 400-6000 mesh products with different specifications according to customer’s requirements.
|
Company Information
HS mineral adopts advanced production technology, selects high quality quartz stone, washes through water, breaks, sun drying / drying, removing impurity, mixing / melting, dry ball milling, classifying machine grading, removing impurity / compounding stirring, packing and storing.
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.
HS mineral 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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