China Refractory Light Weight Thermal Insulating Mullite Brick Jm32, Find details about China Insulation Brick, Fire Brick from Refractory Light Weight Thermal Insulating Mullite Brick Jm32
Items | JM23 | JM26 | JM29 | JM32 |
Max service temperature ºC | 1260 | 1400 | 1550 | 1650 |
Bulk density g/cm3 max | 0.6 | 0.9 | 1.1 | 1.15 |
Cold crushing strength Mpa min | 1 | 1.5 | 3.5 | 4.5 |
P.L.C 24hrs % max | ±1.5 1250ºC | -0.7 1350ºC | -0.7 1450ºC | ±0.5 1550ºC |
Thermal conductivity w/m.k max | ||||
400ºC | 0.20 | 0.28 | 0.4 | 0.65 |
600ºC | 0.25 | 0.30 | 0.4 | 0.65 |
800ºC | 0.30 | 0.42 | 0.45 | 0.60 |
1000ºC | 0.35 | 0.50 | 0.55 | 0.65 |
1200ºC | 0.40 | 0.55 | 0.60 | 0.65 |
Al2O3 % min | 35 | 55 | 55 | 72 |
Fe2O3 % max | 1.0 | 1.0 | 1.0 | 1.0 |
SiO2 % max | -- | 40 | 40 | 26 |