... OEM service is available LUYANGWOOL® standard refractory brick is made from high-grade and high purity refractory powders and materials. During the process ... ,shuttle kiln,glass-pool kiln,tec Standard SpecificationGrade: 23,26,28,30,32 Classification temperature:1300/1400/1500/1550/1600 Size ... service is available. For more information,please contact us ! Standard Refractory Brick ( Mullite Brick )