• sic ceramic foam filter
  • sic ceramic foam filter

SiC Ceramic Foam Filter Molten Metal Filtration

SEFU CERAMIC manufactures and supplies ceramic foam filters, including SiC Ceramic Foam Filters. These sic filters are made with a high-tolerance material that is highly porous and has excellent thermal stability. The unique characteristics of SiC Ceramic Foam Filters make them ideal for use in the purification of molten metals in the foundry industry.

  • High Porosity
  • Thermal Stability
  • Chemical Resistance
  • Mechanical Strength


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 ceramic filter for foundry

Features of SiC Ceramic Foam Filters

SEFU SiC Ceramic Foam Filters are highly porous with a high specific surface area, making them ideal for filtering molten metals. They are also highly resistant to thermal shock and can withstand high temperatures of up to 1500℃. Apart from that, our filters offer excellent chemical resistance and good mechanical strength, making them an ideal choice for high-temperature foundry applications.

Applications of SiC Ceramic Foam Filters

SiC Ceramic Foam Filters can be used to filter a wide variety of metals, including cast iron, copper, brass, aluminum, and other non-ferrous metals. These filters can be used in the metallurgical industry for metal purification and casting processes.

SiC Ceramic Foam Filters have a wide range of applications, including:

  • Filtering molten metal during the casting process
  • Purifying molten metal by removing impurities
  • Improving surface finish on castings
  • Eliminating shrinkage defects in castings
application of sic ceramic foam filter
types of ceramic foam filters


At SEFU CERAMIC, we have a range of other ceramic foam filters that are suitable for different applications. Our Al2O3, ZrO2, and MgO filters are designed for specific needs, and they are all high-quality products that meet industry standards. Our Oxygen Zirconium filter, for example, can withstand temperatures of up to 1700℃ and can be used for filtering metals like stainless steel, carbon steel, and large cast iron alloys.

sic filter



At SEFU CERAMIC, we pride ourselves on being a reliable and professional ceramic foam filter manufacturer. We have strict quality control measures in place, and we use advanced technology to ensure that our products meet the highest standards. Additionally, we offer competitive pricing and timely delivery, making us the ideal partner for your industrial filtration needs.

Whether you are filtering cast iron, copper, brass, aluminum, or any other metal, SiC Ceramic Foam Filters from SEFU CERAMIC are the perfect solution for your metal purification needs.

To learn more about these filters and other related products, please feel free to contact us. Our team is always ready to answer your questions and help you find the right solution for your metal filtering needs.

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