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...
What Are Oxide Inclusions and Why They Damage Metal QualityOxide inclusions are non-metallic particles trapped inside your metal. They come in more varieties than most operators expect.Common compositions include Al₂O₃, SiO₂, MnO, Cr₂O₃, and TiOₓ, plus compound forms...
Molten metal demands trust. Every casting depends on sand holding its shape under intense heat, pressure, and time. Most engineers don't think twice about it — until something goes wrong.What foundry sand is used for runs much deeper than "it holds the mold together."...
