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Ceramic Foam Filter

Ceramic Foam Filter

ZrO2 Ceramic Foam Filter

Zirconia ceramic foam filter is used for molten all types of steel like unalloyed, low alloyed, stainless, and high-alloyed as well as Nickel and Cobalt-based super-alloys. 

The best choice for filtering of determined for filtering of steel and steel alloys up to the temperature of 1700℃. 

Filters are recommended especially for high quality grades of alloys.


Zirconia ceramic foam filter for steel casting can endear the demand of steel technology and get rid of residue and materials which been left behind after the model is been eroded.

With the excellent resistance to attack and corrosion from molten steel liquid, it can effectively remove inclusions, reduce trapped gas from liquid metal and provide laminar flow, and then the filtered metal is significantly cleaner.

Cleaner metal results in higher-quality castings, less scrap, and fewer inclusion defects.

ZrO2 Ceramic Foam Filter

TypeZirconia ceramic foam filter for steel and alloy
PPI10-40PPI(PPI=pores per inch)
Work Temperature≤1700℃
Bulk Density0.8-1.5g/cm3
Compressive strength≥1.5Mpa(Room temperature)
Al2O3 (%)5-10
Thermal shock resistance  (Times/1100°C)6

Application: For the filtration of molten steel and alloy, large scale iron casting

ZrO2 Ceramic Foam Filter 


● Reduction in inclusion levels

● Good filtration capacity

● Ideal for the filtration of high alloyed steel

● High efficiency

● Filters can be preheated for investment casting application


Filtration of molten steel and alloy, large scale iron casting

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