Size 50x50x22 Zirconia Ceramic Foam Filters

Foundrymax – Square 50×50×22mm Zirconia Ceramic Foam Filter

• Material: Zirconia (ZrO₂), max 1700°C

• Pore Density: Available 10–30 PPI

• Dimensions: 50 × 50 × 22 mm

• Structure: Open‑cell reticulated foam, porosity 76–82%

• Function: Removes inclusions, oxides, and slag from molten steel and high‑alloys

Foundrymax 50×50×22mm Zirconia Ceramic Foam Filter – Reliable Filtration for Small Steel Castings

For foundries producing smaller steel components, investment castings, or working with compact gating systems, filter size matters as much as material performance. Foundrymax’s 50×50×22mm zirconia foam filter delivers the high‑temperature resilience required for steel alloys in a footprint that fits neatly into restricted runner layouts.

Zirconia – The Steel‑Grade Material

Rated to 1700°C, zirconia (ZrO₂) maintains its integrity at steel pouring temperatures (1550°C–1650°C), unlike silicon carbide which softens and erodes. It resists slag attack and does not contaminate the melt, preserving alloy chemistry and mechanical properties. 

The 50×50mm square footprint is a standard small size, suitable for sprue bases, narrow runners, and multi‑cavity moulds. The 22mm thickness provides adequate strength for handling and pour pressures. Available in 10 to 30 PPI.

The open‑cell reticulated structure captures slag, oxides, and refractory inclusions through mechanical sieving and adhesion, delivering cleaner metal to the mould cavity. This reduces scrap, improves surface finish, and enhances mechanical properties.

Why Foundrymax?

As a direct manufacturer, we produce this size with consistent quality. Custom thicknesses and PPI grades available. Contact us for samples or a quote.