Pick a ceramic foam filter too small, and you'll choke the metal flow, trap turbulence where you don't want it, and risk a scrapped casting. Go too large, and you're wasting money on filtration you don't need — or worse, letting inclusions slip through unfiltered....
If you've ever lost a batch of aluminium castings to slag inclusions, you know the filter is only as good as the mesh behind it. Fiberglass mesh filters are now the go-to choice for Indian foundries chasing cleaner melts and fewer rejects. But sourcing the right one...
A single mesh screens mismatch can turn a flawless aluminum pour into a scrapped batch full of oxide inclusions and gas porosity. By the time you spot the defect, the damage is already done. That's the hidden cost of getting Fiberglass filter mesh selection wrong....
