refractory brick 1,resistant high temperature. 2,resistant high pressure 3,Anti acidity Can make all the size as your need Composition: Clay refractory brick consist of fire clay and binder. The chemical components of these bricks are SiO2 and Al2O3.Function:1.bricks are made from high quality bauxite. 2.dry pressed .3.burned under tunnel kiln. 4.accurate dimension. 5.high strength.Production ...