Medium Duty Firebrick For Sale in Rongsheng Refractory is a kind of
aluminosilicate refractory product with over 48% aluminum oxide
(Al2O3) content. Medium Duty Firebrick is manufactured by dry
pressed with raw material of high quality bauxite and burned under
tunnel kiln. Medium Duty Firebrick has features of accurate
dimension and high strength to fit the need for building all kinds
of linings of kiln and furnace. Medium Duty Firebrick is the best
type of firebrick that can be used in firing layer and oven.