1.Al2O3 36,40,42,45 2.ISO9001-2008 3.Shape: according to your requirements 4.Use:Widely used for furnace 1.Feature: Clay Firebricks have excellent thermal shock asistance, low porosity, high refractoriness under load and so on.2.Use: Used in steel, non-ferrous metal, metallurgy, charking, glass, ceramic, building materials,chemical industry,electric power and so on, it is preferred materials of ...