Every foundry engineer has seen a filter fail mid-pour, letting inclusions creep into the casting and scrapping a batch that should have shipped. When you're running high-temperature alloys or special steel, the culprit is often simpler than it looks. Your ceramic...
Foam Filters
10Ppi, 20Ppi, 30Ppi Or 40Ppi: Which Ceramic Foam Filter Density Do You Need?
Picking the wrong ceramic foam filter density buries slag inclusions and porosity defects inside castings you thought were clean. One bad pour costs you scrapped parts, downtime, and an uncomfortable conversation with your quality team. On a spec sheet, 10PPI, 20PPI,...
Sic Ceramic Foam Filters For Metal Casting: Density, Ppi And Material Grade Options
A single misjudged specification—too coarse a PPI rating, a density mismatch, or an overlooked material grade—can turn a clean pour into a scrapped batch riddled with inclusions. For foundry engineers and procurement teams evaluating SiC Ceramic foam Filters for Metal...
What Information Should You Provide When Requesting A Foundry Filter Quotation?
You send an email to a foundry filter supplier asking for a quote, and three days later you are still waiting because they had to write back asking for your pore count, dimensions, and alloy type. That back-and-forth burns production time and procurement budget you...
How To Choose The Right Casting Filter Size? A Practical Guide For Foundries
A single undersized ceramic foam filter can turn a routine pour into a scrap-bin disaster—slow filling, cold laps, or a burst filter mid-pour that dumps unfiltered metal straight into your mold. On the flip side, oversizing wastes money and can actually slow your fill...
Ceramic Foam Filter Problems: 10 Common Failures And How To Fix Them
A cracked filter mid-pour. A scrap casting nobody can explain. A batch that fails inspection after the same setup worked flawlessly last week. If you're running a foundry floor, ceramic foam filter problems cost you more than a part—they cost hours of diagnostic...






