Insulating bricks - yqhuaxu

INSULATING BRICKS BASE MULLITE
Items TM23 TM26 TM28
Al2O3 % min 40-45 56-58 65-67
SiO2 % max 47-45 38-36 30-28
Fe2O3 % max 0.7-1.0 0.7-1.0 0.7-1.0
IFB Classification
Temperature 1260
1430
1540

Volume Density
g/cm3 0.55-0.6
0.8±0.05
0.9±0.05

Cold crushing strength
MPa min 1.2
1.6
2.1