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JM23 Insulation Bricks

JM23 Insulation Bricks

JM series insulation bricks

JM series insulation bricks are made from Kaolin and high purity alumina which react together to form Mullite during the firing process, where temperatures can reach in excess of 1400°C.

JM series insulation bricks Application:

The products are used for a variety of applications across a number of industries, including the ceramic, chemical processing, glass, and iron sectors.

JM Series insulation bricks specification & technical data:

ITME JM23 JM26 JM28 JM30
Al2O3 (%) 37 56 67 73
Fe2O3 (%) 0.7 0.7 0.6 0.5
Classification Temperature (℃) 1260 1430 1540 1650
Bulk Density (g/cm3) ≤ 0.48 0.8 1 1.02
Cold Crushing Strength (Mpa) 1.1 1.6 2.1 2.5
Modulus of Rupture (Mpa) 0.9 1.4 1.6 2.1
Reheating Linear Change (%) CT-30 ℃X 8H 1230℃ -0.5 1400℃ -0.5 1510℃ -0.5 1620℃ -0.9
Thermal Expansion 1000℃(%) 0.5 0.7 0.8 0.9
Thermal conductivity(W/m.k)400℃ 0.14 0.27 0.32 0.41
600℃ 0.16 0.29 0.34 0.43
800℃ 0.18 0.31 0.36 0.44
1000℃ 0.2 0.33 0.38 0.45


JM Series insulation bricks packing

by cartons and pallets.



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