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Mullite Insulating Refractory Bricks Light Weight Brick

The bricks to be packed by fumigation wooden pallets.
Quantity:
  • JM23
  • Dezhen
  • 690220

Characteristics of this series products are as follow:
Low iron content and low temperature smelt of alkali metal, Good refractoriness and good affection of reducing atmosphere resistance. The product is featured with even structure,light weight,high CCS and good insulation resistance, so the furnace body has less heat storage during cooling and energy can be saved effectively. At high temperature, the product is characterized by high strength, stable volume and good thermal shock resistance. After product being sintered, it will be ground resulting in small size tolerance and can meet the requirements of construction. 

The technical specification :
JM series insulation brick
 

ItemsJM23JM26JM29JM32
Max service temperature ºC1260140015501650
Bulk density g/cm3 max0.60.91.11.15
Cold crushing strength Mpa min11.53.54.5
P.L.C 24hrs % max ±1.5
1250ºC
-0.7
1350ºC
-0.7
1450ºC
±0.5
1550ºC
Thermal conductivity w/m.k max



400ºC0.200.280.40.65
600ºC0.250.300.40.65
800ºC0.300.420.450.60
1000ºC0.350.500.550.65
1200ºC0.400.550.600.65
Al2O3 % min 35555572
Fe2O3 % max1.01.01.01.0
SiO2 % max --404026


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