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Poly light bricks
Poly light bricks
Numbering
Affiliate classification Mullite poly light heat-insulating brick
Weight 0
Product Description

  Product Overview:

     Mullite poly light heat-insulating brick is a product made by mixing and mixing mullite, polylight ball and binder in a certain ratio, extruding and molding, and firing after high temperature. Mainly used for industrial furnace insulation, energy saving and consumption reduction.


  Physical and chemical indicators:

Item MJ-1400 MJ-1500
0.6 0.8 1.0 0.6 0.8 1.0
Al2O3        %       ≥ 50 66
Fe2O3        %       ≤ 1.0 0.8
Bulk Density g/cm³           ≤ 0.6 0.8 1.0 0.6 0.8 1.0
Compressive strength at room temperature  Mpa       ≥ 1.9 3.9 7.8 1.9 3.9 7.8
0.2MPa load softening start temperature ℃  ≥ 1300 1350 1400 1350 1400 1450
Thermal Conductivity【W/(m·K)】average temperature(350±10)℃       ≤ 0.25 0.35 0.50 0.25 0.35 0.50