1.Foundry perlite ore 2.Size:5-325mesh0.1-8mm 3.Category: ... 5-10 3. Perlite ore used as deslagging agent in foundry Cast iron ,cast steel ,cast stainless steel ,cast aluminium , cast ... copper 4.Technical Information of Perlite Usage in Foundry IndustryPerlite Ore is used in many Ferrous and Non-ferrous ...