... years' history. The products include refractory brick, refractory casable, insulating brick, ceramic fiber products,etc. Refractory brick is dense shaped refractory material. With ... industry, electric power and machine building. Tech Data:ItemFireclay brickHigh Alumina BrickSK32SK34SK35SK36SK37SK38Al2O3 (%) ≥384248556575Refractoriness (oC) ≥167017301750177017901790Refractoriness under Load, oC,0. ...