Ceramic filters

Ceramic foam filters


Ceramic Foam filters are just developed as a new type molten metal filter to filtering impurities from casting in recent years. With its characteristics of light-weight, high mechanical strength, large specific surface areas, high porosity, excellent thermal shock resistance, erode resistance, high-performance, competitively priced.

Our ceramic foam filters are available in silicon carbide materials:

silicon carbide, is used for  grey iron, ductile iron, precious metals, copper, bronze, brass and investment casting.

All of the filters are available in square, round and custom geometric shapes; sizes ranging from 10mm up to 600mm, and thicknesses from 10-50mm. Pore densities from 8-40 pores per inch are available. The ZZF trading department is professional in importing the best quality in comparison with price from reputed supplies  specially from china.

Silicon Carbide Ceramic Foam Filters For Iron Casting :

Apply to improve quality of nodular graphite tenacity and drop turbulent feeder mouth. Purge

  • Improve quality of casting
  • Reduce foreign residue of iron casting
  • Stabilize time of molding


Technical Data

Bore Density (PPi)/pp: 4-60

Porosity (%): 80-90

Refractoriness: 1500

Bending Strength (Mpa): 0.8

Compression Strength (Mpa): 0.9

Thermal Shock Resistance: 6

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