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Low cement bonded fire-resisting casting material

product Overview:   Low cement bonded fire-resisting casting material is a high-quality Casting material with high-quality corundum and bauxite clinker as the main raw materials, high-efficiency water reducing agent and ultrafine powder, and pure calcium aluminate cement as the binder. According to the performance physical and chemical indicators, it is divided into two grades, DL-80 and DL-60.
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Product Description

  product Overview:

 

  Low cement bonded fire-resisting casting material is a high-quality Casting material with high-quality corundum and bauxite clinker as the main raw materials, high-efficiency water reducing agent and ultrafine powder, and pure calcium aluminate cement as the binder. According to the performance physical and chemical indicators, it is divided into two grades, DL-80 and DL-60.

 

  Physical and chemical indicators:

 

Item DL-80 DL-60
Al2O3               %           ≥ 80 60
CaO                %           ≤ 2.5 2.5
Refractory         ℃            ≥ 1780 1740
Test temperature at which the linear change rate after burning is not more than ± 1%(Insulation3h)  ℃ 1500 1500
Compressive strength at room temperature(110 ℃×24h)     Mpa        ≥ 40 30
Flexural strength at room temperature(110 ℃×24h)     Mpa         ≥ 6 5

 

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