Every foundry engineer has been there — a batch of castings comes out with inclusions, Shrinkage defects, or surface roughness that shouldn't exist. The filter gets the blame. But is it the filter's fault? Most of the time, the real culprits are simpler to spot: wrong...
Choosing the wrong ceramic foam filter for your iron type isn't just an efficiency problem — it's a scrap problem. Ductile Iron and gray iron behave in different ways inside the mold. They solidify at different rates and carry different inclusion loads. The filtration...
What Are Alumina and Zirconia Filters? (And Why the Choice Matters)Both are Ceramic foam Filters. Both trap inclusions, oxides, and slag before they become defects in your final casting. That's where the similarity ends.Alumina (Al₂O₃) filters are built for aluminum...
