Molten Metal Cff The filtration rating (pore size) ranges from 20 to 80 ppi, but 30ppi.50ppi is the most commonly used. The layout of the ceramic filter plate includes single-layer filtration and double-layer filtration. Advantages of ceramic plate filter device 1. Low cost. 2.Alloy varieties are easy to replace. 3. Easy to install. 4. Small […]