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High-alumina refractory mortar

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Product Description

  product Overview:

 

  High-alumina refractory mortar is a high-quality refractory mortar made from high-quality high-alumina clinker as the main raw material and adding several additives. It is mainly used for masonry of High-alumina brick. It is divided into three grades of LN-55, LN-65 and LN-75 according to its physical and chemical properties.

 

  Physical and chemical indicators:

 

Grade LN-55 LN-65 LN-75
Al2O3     %          ≥ 55 65 75
Refractory     ℃        ≥ 1760 1780 1780
Flexural bonding strength
Mpa   ≥
110℃×24h 1.0 1.0 1.0
1400℃×3h 4.0 4.0 4.0
granularity   % <1.0mm 100 100 100
>0.5mm, ≤2 ≤2 ≤2
<0.075mm ≥50 ≥50 ≥50
Bonding time      min 1~3 1~3 1~3

 

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