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Mullite insulation bricks
Mullite insulation bricks
Mullite insulation bricks
  • Item : Mullite insulation bricks
  • Classification Temperature (℃) : 1260
  • Bulk Density (g/cm3): 0.55-0.60
  • Cold Crushing Strength (Mpa) : 1.2
  • Modulus of Rupture (Mpa) : 0.9
  • Reheating Linear Change (%) CT-30 ℃X 8H : 1230℃ -0.5

Features

Description:

Mmullite insulation bricks are made from good quality and superpure raw materials, with strictly classified fillings according to their grades. These fillings can form a uniform pore structure after burnt during the process of manufacture. Each grade of products has unique design to meet different thermal, physical and chemical demands.
 

Application:

Mullite insulation bricks refractory material can be used in linings or heat-insulating materials of the industries, such as, ethylene pyrolysis furnaces, tubular furnaces, reforming furnaces of synthetic ammonia, gas generators and high-temperature shullte kilns, etc
 

Mullite Insulation brick can be used as working lining, where contact with flames directly. This kind of brick can save the kiln energy very much.

Parameter

Physical and chemical index:

Sunrise Brand JM23 JM26 JM28 JM30 JM32
USA Brand IFB2300 IFB2600 IFB2800 IFB3000 IFB3200
Classification Temperature (℃) 1260 1430 1540 1650 1760
Bulk Density (g/cm3) 0.55-0.60 0.78 0.88 1.03 1.25
Cold Crushing Strength (Mpa) 1.2 1.6 2.1 2.5 3.5
Modulus of Rupture (Mpa) 0.9 1.4 1.6 2.1 2.1
Reheating Linear Change (%) CT-30 ℃X 8H 1230℃ -0.5 1400℃ -0.5 1510℃ -0.5 1620℃ -0.9 1730℃ -0.9
Thermal Expansion 1000℃(%) 0.5 0.7 0.8 0.9 1.1
Thermal conductivity(W/m.k) 400℃ 0.14 0.27 0.32 0.41 0.49
600℃ 0.16 0.29 0.34 0.43 0.5
800℃ 0.18 0.31 0.36 0.44 0.51
1000℃ 0.20 0.33 0.38 0.45 0.53
Al2O3 (%) 37 54 64 72 77
Fe2O3 (%) 1.0 0.9 0.8 0.7 0.5


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