... ,2*2,2.5*2.5 J&f High Silica Fiberglass Filter Mesh is produced by heat resistance fiber in ... the filtering chemical corrosion liquid and High-temperature gas.Main products: aluminum filter, steel filter, iron filter, cooper filter, etc. main mesh size: 1 ... slag blister and greatly improve casting yield, surface quality and presentation quality.2.improve the mechanical properties of casting: improve ...