Casting Materials
After more than 30 years of continuous innovation and development, the company has become a comprehensive enterprise for refractory materials used in metallurgy, power, building materials, chemical industry, glass and other industries.
It mainly produces castable series, plastic series, prefabricated parts, refractory bricks, insulation bricks, aluminum silicate ceramic fibers and other dozens of brands and hundreds of varieties of refractory products, which are sold well in more than 20 provinces, cities and autonomous regions across the country.
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![Mullite sand powder for casting]()
Mullite sand powder for castingMullite sand powder for casting are high-performance refractory materials widely used in investment casting. They feature high-temperature resistance, low thermal expansion, excellent chemical...read more
Why Choose us
Quality Certification
The product has successfully obtained ISO9001 quality management system certification, earning the trust and acclaim of numerous users in the highly competitive market environment.
Advanced Equipment
The company's technical center is equipped with a variety of experimental and testing facilities for refractory raw materials and products, including a fully automatic dilatometer, flat plate thermal conductivity meter, load-softening tester, thermal shock testing machine, and a reburning test furnace, among others.
Production Capacity
The company operates two fully automated production lines dedicated to unshaped refractory products, with a combined annual output capacity of 100,000 tons.
Specification
|
Brand/Project |
Precision casting surface sand |
Precision casting mullite sand and powder |
|
SiO2% |
50～52 |
50～52 |
|
Al2O3% |
≥43 |
≥43 |
|
Fe2O3% |
≤1.2 |
≤1.2 |
|
TiO2% |
≤0.6 |
≤0.6 |
|
CaO+MgO% |
＜0.5 |
＜0.5 |
|
K2O+Na2O% |
＜0.4 |
＜0.4 |
|
Refractoriness ℃ |
≥1730 |
≥1730 |
|
Bulk density g/m³ |
|
≥2.45 |
|
Burn reduction %1.0.I |
|
≤0.25 |
|
Powder content in sand % |
|
0.3 |
|
Hardness Mohs |
7～8 |
7～8 |
|
PH |
6～8 |
6～8 |
|
Granularity |
80～120 mesh |
10-16 mesh, 16-30 mesh, 30-60 mesh, 200 mesh, 270 mesh, 325 mesh, etc., can be processed according to requirements |
Enhanced Mold Integrity
The use of mullite sand helps ensure the integrity of the mold during the casting process. Its high strength, combined with low thermal expansion and superior thermal shock resistance, enables the mold to withstand the mechanical and thermal stresses encountered when molten metal is poured into it.
Improved Surface Finish
Mullite sand contributes to a smooth surface finish of the final casting. The fine grains of mullite powder result in a finer mold surface, which translates into a cleaner and smoother cast. This is particularly important for industries that require high-quality finishes, such as aerospace and automotive components.
Cost Efficiency
Mullite sand is durable and long-lasting, reducing the frequency of mold repairs or replacements. Its excellent reusability also contributes to cost efficiency, as the sand can be reclaimed and reused for subsequent casting processes. This lowers the overall cost of production while maintaining the quality of the castings.
Reduced Defects
Because of its ability to withstand high temperatures and resist thermal shock, mullite sand reduces the likelihood of defects such as cracks, pores, or inclusions in the final casting. This is particularly beneficial for the production of complex and high-precision components where even small defects can lead to failure.
Application of Casting Materials
Aerospace Industry
Mullite sand is widely used in the aerospace industry for casting components such as turbine blades, engine parts, and structural components. These components are subjected to extreme conditions, including high temperatures and mechanical stresses, and require precise manufacturing standards. The use of mullite sand ensures the production of high-performance, defect-free parts that meet these stringent requirements.
Automotive Industry
In the automotive sector, mullite sand is employed for casting parts that need to endure high temperatures and stress, such as engine blocks, exhaust components, and brake parts. The superior thermal stability and mechanical strength of mullite sand ensure the production of durable, high-quality parts that perform reliably over time.
Medical Device Manufacturing
Medical devices such as surgical instruments, implants, and prosthetics often require investment casting methods due to the need for high precision and biocompatibility. Mullite sand helps produce smooth, detailed, and accurate molds that meet the strict quality standards required for medical applications.
Tooling and Industrial Applications
Mullite sand is also used in the production of tools and other industrial components. Its ability to resist high temperatures and wear makes it ideal for casting items like cutting tools, dies, and molds for other manufacturing processes.
We will help you to choose the best shipping way according to your detail requirements. By sea, by air, or by express, etc.
The time frame of an order delivery is divided into two parts:
• Processing time: 7-14 Days
• Shipping time: 20~30 Days
Shipping methods: DDP, DAP, EXW, etc.
Shipping fee:The shipping fee will be changed according to every pacel's weight.
FAQ
We're well-known as one of the leading casting materials manufacturers and suppliers in China. Please feel free to buy casting materials at competitive price from our factory. Contact us for more details.