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Clay refractory mortar

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Product Description

  product Overview:

 

  Clay refractory mortar is a high-quality refractory mortar made from high-quality clay clinker as the main raw material and adding several additives. It is mainly used for building Clay brick. It is divided into four grades: NN-30, NN-38, NN-42, NN-45 according to its physical and chemical properties.

 

  Physical and chemical indicators:

 

Grade NN-30 NN-38 NN-42 NN-45
Al2O3     %          ≥ 30 38 42 45
Refractory    ℃        ≥ 1620 1680 1700 1720
Flexural bonding strength
Mpa   ≥
110℃×24h 1.0 1.0 1.0 1.0
1200℃×3h 3.0 3.0 3.0 3.0
granularity   % <1.0mm 100 100 100 100
>0.5mm, ≤2 ≤2 ≤2 ≤2
<0.075mm ≥50 ≥50 ≥50 ≥50
Bonding time      min 1~3 1~3 1~3 1~3

 

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+86-13183003859

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