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Ceramic foundry sand is an advanced alternative to conventional quartz sand used in the foundry industry. It is made from sintered bauxite with an aluminum content of 65-90%. The material is processed through various methods such as melting, blowing, sieving and mixing to achieve high performance in metal casting applications.
High refractory ceramic foundry sand has excellent thermal stability and a refractoriness of over 1800°C, making it ideal for high temperature casting processes. Its spherical shape ensures good flowability and uniform filling in the mold. The sand is mainly used in applications such as shell mold casting, precision casting and resin bonded sand casting.
Ceramic foundry sand has excellent thermal conductivity and low thermal expansion, which helps improve the precision and quality of the casting process. The consistency of its chemical and physical properties ensures stable performance in various casting techniques such as investment casting and vacuum casting.
Ceramic foundry sand is widely used for heavy steel castings and industries that require high-quality, durable molds. It is particularly beneficial for casting complex metal parts, with excellent surface finish and high mold strength.
Product Parameters
Parameter | Value |
---|---|
Al2O3 Content | ≥ 70% |
SiO2 Content | < 24% |
Fe2O3 Content | ≤3% |
TiO2 Content | 2.94% |
CaO Content | 0.46% |
MgO Content | 0.37% |
K2O Content | < 1% |
Na2O Content | < 1% |
Refractoriness | ≥1800°C |
Density | 3.4 g/cm³ |
Bulk Density | 1.95-2.05 g/cm³ |
Color | Black-brown |
Particle Shape | Spherical |
Thermal Expansion Coefficient | 6 x 10⁻⁶ /°C (20-1000°C) |
Thermal Conductivity | 0.698 W/m·K (1200°C) |
Thermal Expansion Rate | 0.13% |
Angularity | ≤1.1 |
Features of High Refractoriness Ceramic Foundry Sand for Metal Casting
Low thermal expansion coefficient: reduces the risk of mold deformation at high temperatures, ensuring stable casting performance.
High strength and durability: has excellent compressive and flexural strength, and low breakage rate during handling.
Spherical shape: round particles have excellent fluidity, facilitating easier mold filling and improving surface finish.
Smooth surface and dense structure: improve mold strength and improve the overall quality of castings.
Neutral chemical properties: minimize the risk of chemical reactions during casting, ensuring clean and precise castings.
High temperature resistance: can withstand extreme temperatures and provides excellent refractoriness for high heat casting operations.
Recyclable up to 10 times: due to its reusability, the sand is highly cost-effective, thus reducing overall production costs.
Reduce resin consumption: ideal for shell mold casting, resin sand casting and vacuum casting, helping to reduce resin usage and improve efficiency.
Advantages of High Refractoriness Ceramic Foundry Sand
Spherical Particles: The spherical shape ensures excellent flowability, making it easier to fill molds and achieve consistent results.
High Refractory: The sand can withstand extremely high temperatures, providing excellent performance in demanding casting processes.
Stable Inert Properties: Maintains stable inertness throughout the casting process, reducing the risk of chemical reactions.
Low Thermal Expansion: The coefficient of thermal expansion is similar to that of zircon sand, which minimizes mold deformation during the casting process.
Good Flowability: Spherical particles provide smooth flow and easy mold filling, increase mold permeability and simplify demolding.
Reduced Binder Consumption: Ceramic foundry sand reduces binder usage by 30-50%, saving costs and increasing the efficiency of the casting process.
Neutral and Inert Material: Suitable for both acidic and alkaline binder systems and compatible with a wide range of alloys.
Excellent Stability: With high refractory and durability, it is ideal for the production of complex cores and cast steel parts.
Wide Range of Particle Sizes: Can be mixed and matched according to specific customer requirements, providing flexibility for casting applications.
High hardness and recyclability: High Mohs hardness and spherical shape ensure low breakage rate and excellent recyclability, reducing waste and cost.
Application scenarios of High Refractoriness Ceramic Foundry Sand
Shell mold casting: It is ideal for shell mold process, providing high mold strength and precision.
Precision casting: It is suitable for producing complex parts with tight tolerances, especially high-performance alloys.
Lost foam casting: The high stability of sand makes it ideal for lost foam casting, ensuring high casting quality.
Heavy steel casting: It is very suitable for large and complex steel castings, ensuring smooth production with minimal defects.
Resin sand casting: It is an ideal choice for resin sand molds, which helps to reduce binder consumption and improve casting accuracy.
Vacuum casting: Its high fluidity and low expansion make it suitable for vacuum casting, ensuring the formation of high-quality molds.
Investment casting: It is very suitable for investment casting of high-precision parts, providing excellent mold strength and durability.
FAQs about High Refractory Ceramic Foundry Sand
1. What is ceramic casting sand?
Ceramic foundry sand is an advanced material made from sintered bauxite with a high aluminum content. It is used in metal casting to replace traditional quartz sand and has excellent fire resistance and stability at high temperatures.
2. What are the advantages of using ceramic foundry sand?
Ceramic foundry sand offers several key advantages, including low thermal expansion, high strength, excellent flowability and low binder consumption. It also has high fire resistance and good recyclability, making it cost-effective in a variety of casting applications.
4. How does ceramic foundry sand improve the casting process?
The spherical shape of ceramic casting sand allows for better mold filling, better surface finish and higher mold penetration. It also reduces binder consumption by up to 50%, helping to save costs and improve casting accuracy.
5. Can ceramic foundry sand be recycled?
Yes, ceramic foundry sand can be recycled up to 10 times without significant loss in performance. Its high hardness and spherical shape ensure a low breakage rate, making it highly recyclable.
6. How does ceramic casting sand compare to other sands?
Ceramic foundry sand has excellent thermal stability, lower thermal expansion and better flowability than traditional sands such as silica sand or zircon sand. It is more cost-effective due to its recyclability and reduced adhesive usage.
Company Profile:
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Product Qualification:
Ceramic foundry sand is an advanced alternative to conventional quartz sand used in the foundry industry. It is made from sintered bauxite with an aluminum content of 65-90%. The material is processed through various methods such as melting, blowing, sieving and mixing to achieve high performance in metal casting applications.
High refractory ceramic foundry sand has excellent thermal stability and a refractoriness of over 1800°C, making it ideal for high temperature casting processes. Its spherical shape ensures good flowability and uniform filling in the mold. The sand is mainly used in applications such as shell mold casting, precision casting and resin bonded sand casting.
Ceramic foundry sand has excellent thermal conductivity and low thermal expansion, which helps improve the precision and quality of the casting process. The consistency of its chemical and physical properties ensures stable performance in various casting techniques such as investment casting and vacuum casting.
Ceramic foundry sand is widely used for heavy steel castings and industries that require high-quality, durable molds. It is particularly beneficial for casting complex metal parts, with excellent surface finish and high mold strength.
Product Parameters
Parameter | Value |
---|---|
Al2O3 Content | ≥ 70% |
SiO2 Content | < 24% |
Fe2O3 Content | ≤3% |
TiO2 Content | 2.94% |
CaO Content | 0.46% |
MgO Content | 0.37% |
K2O Content | < 1% |
Na2O Content | < 1% |
Refractoriness | ≥1800°C |
Density | 3.4 g/cm³ |
Bulk Density | 1.95-2.05 g/cm³ |
Color | Black-brown |
Particle Shape | Spherical |
Thermal Expansion Coefficient | 6 x 10⁻⁶ /°C (20-1000°C) |
Thermal Conductivity | 0.698 W/m·K (1200°C) |
Thermal Expansion Rate | 0.13% |
Angularity | ≤1.1 |
Features of High Refractoriness Ceramic Foundry Sand for Metal Casting
Low thermal expansion coefficient: reduces the risk of mold deformation at high temperatures, ensuring stable casting performance.
High strength and durability: has excellent compressive and flexural strength, and low breakage rate during handling.
Spherical shape: round particles have excellent fluidity, facilitating easier mold filling and improving surface finish.
Smooth surface and dense structure: improve mold strength and improve the overall quality of castings.
Neutral chemical properties: minimize the risk of chemical reactions during casting, ensuring clean and precise castings.
High temperature resistance: can withstand extreme temperatures and provides excellent refractoriness for high heat casting operations.
Recyclable up to 10 times: due to its reusability, the sand is highly cost-effective, thus reducing overall production costs.
Reduce resin consumption: ideal for shell mold casting, resin sand casting and vacuum casting, helping to reduce resin usage and improve efficiency.
Advantages of High Refractoriness Ceramic Foundry Sand
Spherical Particles: The spherical shape ensures excellent flowability, making it easier to fill molds and achieve consistent results.
High Refractory: The sand can withstand extremely high temperatures, providing excellent performance in demanding casting processes.
Stable Inert Properties: Maintains stable inertness throughout the casting process, reducing the risk of chemical reactions.
Low Thermal Expansion: The coefficient of thermal expansion is similar to that of zircon sand, which minimizes mold deformation during the casting process.
Good Flowability: Spherical particles provide smooth flow and easy mold filling, increase mold permeability and simplify demolding.
Reduced Binder Consumption: Ceramic foundry sand reduces binder usage by 30-50%, saving costs and increasing the efficiency of the casting process.
Neutral and Inert Material: Suitable for both acidic and alkaline binder systems and compatible with a wide range of alloys.
Excellent Stability: With high refractory and durability, it is ideal for the production of complex cores and cast steel parts.
Wide Range of Particle Sizes: Can be mixed and matched according to specific customer requirements, providing flexibility for casting applications.
High hardness and recyclability: High Mohs hardness and spherical shape ensure low breakage rate and excellent recyclability, reducing waste and cost.
Application scenarios of High Refractoriness Ceramic Foundry Sand
Shell mold casting: It is ideal for shell mold process, providing high mold strength and precision.
Precision casting: It is suitable for producing complex parts with tight tolerances, especially high-performance alloys.
Lost foam casting: The high stability of sand makes it ideal for lost foam casting, ensuring high casting quality.
Heavy steel casting: It is very suitable for large and complex steel castings, ensuring smooth production with minimal defects.
Resin sand casting: It is an ideal choice for resin sand molds, which helps to reduce binder consumption and improve casting accuracy.
Vacuum casting: Its high fluidity and low expansion make it suitable for vacuum casting, ensuring the formation of high-quality molds.
Investment casting: It is very suitable for investment casting of high-precision parts, providing excellent mold strength and durability.
FAQs about High Refractory Ceramic Foundry Sand
1. What is ceramic casting sand?
Ceramic foundry sand is an advanced material made from sintered bauxite with a high aluminum content. It is used in metal casting to replace traditional quartz sand and has excellent fire resistance and stability at high temperatures.
2. What are the advantages of using ceramic foundry sand?
Ceramic foundry sand offers several key advantages, including low thermal expansion, high strength, excellent flowability and low binder consumption. It also has high fire resistance and good recyclability, making it cost-effective in a variety of casting applications.
4. How does ceramic foundry sand improve the casting process?
The spherical shape of ceramic casting sand allows for better mold filling, better surface finish and higher mold penetration. It also reduces binder consumption by up to 50%, helping to save costs and improve casting accuracy.
5. Can ceramic foundry sand be recycled?
Yes, ceramic foundry sand can be recycled up to 10 times without significant loss in performance. Its high hardness and spherical shape ensure a low breakage rate, making it highly recyclable.
6. How does ceramic casting sand compare to other sands?
Ceramic foundry sand has excellent thermal stability, lower thermal expansion and better flowability than traditional sands such as silica sand or zircon sand. It is more cost-effective due to its recyclability and reduced adhesive usage.
Company Profile:
![]() | ![]() |
Product Qualification: