What porosity grades are available?

Standard grades run from 10 to 30 ppi; the grade is matched to the metal and flow rate.

Can the filter be reused?

No. It is consumed in the pour and is designed for single use.

Foundries filtering molten iron and non-ferrous metals to cut casting defects.

A controlled-porosity ceramic filter that removes inclusions from molten metal.

Ceramic Foundry Filter — Controlled Porosity — specification
Property	Value	Unit	Condition
Porosity	10	ppi	nominal grade
Max service temperature	1500	°C	peak, short duration
Filtration efficiency	>85	%	inclusions above 40 µm

What it will not do

Rated to 1,500 °C peak, short duration. For sustained higher temperatures, ask us about a bonded-grade filter.
Single-use: a filter is consumed in the pour and is not reclaimable.

Tell us the grade, size and quantity you need. Attach a drawing if you have one.