... .Grade: 23~32 2.Temp: 1300c-1600c 3.Size:230x114x65/76mm OEM service is also available. LUYANGWOOL fireproof brickis ... furnace, tunnel kiln,shuttle kiln,glass-pool kiln,tec Standard SpecificationGrade: 23,26,28,30,32Classification temperature:1300/1400 ... : 600-1100kg/m3 Customized production is also available. For more information,please contact us ! fireproof brick(best quality standard size of ...