Silicon Carbide Foam - Molten Metal Filtration

Silicon carbide foam ceramic filter is a type of casting filter material. It is mainly used to remove non-metallic inclusions in molten metal during casting and improve the quality and output rate of castings.

SEFU CERAMIC is a professional manufacturer of foam ceramic filters. We are customer-centric and customize various specifications to meet the needs of different customers. We use high-quality materials and advanced production processes to ensure product quality while reducing costs, and provide customers with more competitive prices. We also produce and supply alumina foam ceramic filters, zirconia foam ceramic filters and other porous ceramic filters for casting.

silicon carbide foam filters
Chemical Composition SIC/ Al2O3/SIO2
Porosity(%) 80~90%
Application Temperature Max.1500°C
Compression Strength (Mpa) ≥1.0
Thermal Shock Resistance 1100°C—room temperature 6 times
Bulk Density 0.4-0.5g/cm3
Tolerance of Dimensions -1.5-0.5mm

Silicon Carbide Foam Uses

Silicon carbide ceramic foam filters are widely used in various casting processes.

  • Used to filter castings to remove dendrites, bubbles, sand and other non-metallic inclusions in molten metal.
  • Improve casting quality and improve the mechanical properties and surface finish of castings.
  • Suitable for different types of casting materials such as ductile iron, gray iron, and malleable iron.
use of silicon carbide ceramic filter
silicon carbide ceramic filter use

SEFU CERAMIC - Silicon Carbide Foam Manufacturers

SEFU CERAMIC Silicon carbide ceramic foam filter has the following characteristics:

  • It has good high-temperature resistance and can be used stably in high-temperature environments below 1550℃.
  • Not easy to wear and corrode, long service life.
  • The hole density can be customized according to customer requirements and is suitable for different types of casting materials.
  • Large specific surface area and high filtration efficiency.
  • Passed ISO 9001: 2015 quality management system certification, with reliable quality.

Silicon carbide ceramic foam filter is a stable and efficient casting filter material with a wide range of uses, which can effectively improve the quality and output rate of castings. SEFU CERAMIC provides high-quality, customized silicon carbide foam ceramic filters. At the same time, we also actively cooperate with customers to provide technical support and solutions to make customers more trustful in our products and services.

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