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Cement bonded high-alumina fire-resisting casting material

product Overview:   Cement bonded high-alumina fire-resisting casting material is a high-quality Casting material with high-quality high-alumina clinker as the main raw material, high-efficiency water reducing agent and ultrafine powder, and calcium aluminate cement as the binder. According to the performance physical and chemical indicators are divided into GL-85, GL-70, GL-60 three brands.
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Product Description

  product Overview:

 

  Cement bonded high-alumina fire-resisting casting material is a high-quality Casting material with high-quality high-alumina clinker as the main raw material, high-efficiency water reducing agent and ultrafine powder, and calcium aluminate cement as the binder. According to the performance physical and chemical indicators are divided into GL-85, GL-70, GL-60 three brands.

 

  Physical and chemical indicators:

 

Item GL-85 GL-70 GL-60
Al2O3               %           ≥ 85 70 60
Refractory          ℃              ≥ 1780 1720 1700
Test temperature at which the linear change rate after burning is not more than ± 1% (3h holding time)  ℃ 1500 1450 1400
Compressive strength at room temperature(110 ℃×24h)     Mpa       ≥ 35 35 30
Flexural strength at room temperature(110 ℃×24h)     Mpa        ≥ 5 5 4

 

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