We can offer B1-B5 & JM23-JM28 Series thermal insulated refractory bricks. They are made from different raw materials such as diatomite, clay, high alumina powder, mullite, silimanite and etc. Porous structure makes them own lower density and  lower  thermal conductivity. They are widely used for heat-insulating purpose in many kinds of industrial furnace, electric furnace and metallurgical stove.

The main type we offer JIS series: A1, A2, A3 to A7; B1, B2, B3 to B7; & C1, C2, C3; The JM series include JM 23, JM26, JM28 & JM30 and the standard size is 230*114*65mm and 230*115*76mm.