... 2.Size:5-325mesh. 3.Category:Raw perlite 4.Cast iron,cast steel 5.MOQ:20tons 1.Foundry Perlite Size12-16, 14 ... .2-1.4 900-1000 5-103.Usage: Cast iron ,cast steel ,cast stainless steel ,cast aluminium , cast copper Mobile: 86 13582186358Price is negotiated Raw perlite ...