Scrapped castings. Rework costs climbing. A customer rejection just landed in your inbox.Porosity keeps showing up in your parts. You know the frustration. But most shops fix the symptom, not the root cause.Why your castings have porosity isn't always a clear answer....
Inclusions don't fail loudly. They don't crack molds or trigger obvious alarms. Instead, they strangle your riser's ability to feed — one blocked channel at a time. You end up staring at a scrap rate that makes no sense on paper.The frustrating part? Most foundries...
A cracked filter mid-pour. Molten metal bypassing the filtration zone. Inclusions showing up in finished castings you swore were clean. Sound familiar? The problem isn't your filter — it's where and how it was placed.The 5 most common mistakes in ceramic foam filter...
