... pouring system using plug head High alumina bricksOn the basis of the clay brick high alumina bricks, changing the AI2O3/SiO2 ratio ... or brick can be replaced with aluminum brick. With high alumina bricks to replace the brick and silica brick, can increase the ... is mainly used for masonry furnace, stove, electric roof, ladle, cement kilns, glass kilns and chemical industry furnace, this is also ...