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1770℃ 2.0 Fe2O3 High Alumina Insulating Brick For Coke Oven
Definition:
Light Weight Insulation Refractory Brick is an aluminum silicate material which content of more than 48%
alumina. It is formed and calcined from alumina or other raw
materials with high alumina content. The advantage of this material
are high thermal stability, refractoriness above 1770℃,good slag
resistance.
When the content of Al2O3 less than 70%, the load softening
temperature depends on the quantity ratio between the mullite
crystal phase and liquid phase. With the increase in the quantity
of mullite, It also increased. Therefore, reducing the content of
impurities in the raw materials is beneficial to improve the
quality of the High alumina refractory bricks.
Advantage:
(1) Light weight: using this product in construction can reduce the weight of the
building and greatly reduce the comprehensive cost of the building.
(2) Insulation and heat insulation: During the manufacturing process of aerated concrete, tiny pores
are formed inside, and these pores form an air layer in the
material, which greatly improves the effect of thermal insulation
(3) Sound absorption and sound insulation: good sound absorption and sound insulation performance can create
high airtight indoor space for you. Provide you with a quiet and
comfortable environment.
(4) Small shrinkage value: The excellent material with a small shrinkage value ensures that
your wall will not crack.
(5) Impermeability: The pore structure of this product makes the capillary action
poor, and the water absorption and moisture conduction are slow.
The time required for the same volume of water absorption to
saturation is 5 times that of clay bricks.
(6) Environmental protection: no pollution during manufacturing, transportation and use,
protect cultivated land, save energy and reduce consumption, and
belong to green environmental protection building materials.
Application:
1. Furnaces of metallurgy industry, heat treatment furnace
2. Furnaces of chemical industry and construction industry.
3. Furnace of incineration of garbage, recirculating fluidized bed
furnace
Product Description:
Light Weight Insulation Refractory Brick | |||
Item | Unit | LG140-1.2 | LG140-1.0 |
Al2O3 | % | ≥48 | ≥48 |
Fe2O3 | % | ≤2.0 | ≤2.0 |
Bulk Density | g/cm3 | ≤1.2 | ≤1.0 |
Cold Crushing Strength | Mpa | ≥4.5 | ≥4.0 |
Linear Change on Reheating(≤2%) | ℃ | ≥1400 | ≥1400 |
Thermal conductivity(350±25)℃ | W/mK | ≤0.55 | ≤0.50 |
