Performance characteristics: wear resistance, corrosion resistance, peeling resistance, low creep, good thermal shock stability, service life is 1.5 times that of ordinary products; Main uses: Mainly used in blast furnaces, hot blast furnaces, carbon roasting furnaces, carbon calciners, coke ovens, steel barrels, casting systems, boilers, cement kilns, glass kilns and various kiln lining and thermal equipment, etc., suitable for metallurgy, machinery, building materials, casting, ceramics, electric power, petroleum, chemical and other industries. Standard size:230*115*65mm First-class high-alumina bricks Al2O3 75% second-class high-alumina bricks Al2O3 60%~75% third-class high-alumina bricks Al2O3 48%~60%