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High alumina refractory mortar
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High alumina refractory mortar

The main material of high-aluminum refractory mortar is high-alumina clinker, and the binder is made of soft clay or chemical binder. The Al2O3 content is determined according to the brick composition and use requirements of the masonry.
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DESCRIPTION

The main material of high-aluminum refractory mortar is high-alumina clinker, and the binder is made of soft clay or chemical binder. The Al2O3 content is determined according to the brick composition and use requirements of the masonry.

 

It can be widely used in various industrial furnaces for high alumina brick masonry.

It is used for laying furnace roof, regenerator, combustion chamber, etc. in hot blast stove; blast furnace bottom, hearth, belly, furnace waist, etc. And repairing industrial furnace roof, furnace wall and other parts.

 

Characteristic:

1. Good plasticity and convenient construction;

2. Strong bonding strength and corrosion resistance;

3. High refractoriness;

4. Good resistance to slag invasion;

5. Good thermal spalling.

 

Item LN-65 LN-75 LN-65P LN-75P LN-85P
Al2O3(%)   ≥ 65 75 65 75 85
Refractoriness(℃) ≥ 1780
Linear change rate(%) 1400℃×3h -5~+1 /
1500℃×3h / -5~+1
Refractoriness under load 0.2MP(℃) ≥ / 1400 1600
Bending strength(MPa)≥ After drying at 110℃ 1 2
After burning 1400℃×3h 4 6 /
Granularity(%) <1.0mm 100
>0.5mm  ≤ 2
<0.075mm ≥ 50 40
Bonding time(min) 1-3


High alumina refractory mortar

 

Corresponding parameter set not found, please add it in property template of background
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