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Molten Metal Filters

Inproheat Industries - Molten Metal Filters


Inproheat Industries supplies molten metal filters manufactured by ASK Chemicals and Coorstek.

These filters are built to handle high pouring temperatures and thermal shock due to their design, which features mullite-based ceramic materials accompanied by an intricate network of cells. These same cells also assist with creating an engineered balance between strength and flow rate. 

Molten metal filters are available in a broad range of standard sizes. Upon request, they can also be custom-built and engineered to suit project requirements.


Reduced Casting Scrap Ratio

Molten metal filters reduce casting scrap ratio because they systematically remove inclusions and gas porosity, reduce surface defects, and also improve pressure tightness.

Non-Turbulent Flow Generation

Molten metal filters also provide non-turbulent metal flow into castings.

Strong Finishing Results

Molten metal filters boast an improved surface finish to go along with outstanding machinability, greater yields and reduced foundry operating costs.


Molten metal filters are engineered for steel, iron and non-ferrous applications.They are commonly used in foundries to capture both indigenous and exogenous inclusions from metallic melts. 

Indigenous inclusions are oxides and compounds that are formed by chemical reactions. Exogenous inclusions are predominantly refractory particles from furnace, ladle or sand mold, or occluded particles from primary and secondary ingots.


ASK Chemicals