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Corundum texture gravitational flow fire-resisting casting material

product Overview:   Corundum texture gravitational flow fire-resisting casting material is a high-performance Casting material made of corundum, plus fine powder and additives. It has the advantages of good fluidity and convenient construction. According to the physical and chemical indicators, it is divided into SF90 and SF92.
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  product Overview:

 

  Corundum texture gravitational flow fire-resisting casting material is a high-performance Casting material made of corundum, plus fine powder and additives. It has the advantages of good fluidity and convenient construction. According to the physical and chemical indicators, it is divided into SF90 and SF92.

 

  Physical and chemical indicators:

 

Item SF90 SF92
Al2O3            %           ≥ 90 92
Bulk Density(110 ℃×24h)  g/cm³  ≥ 2.85 3.05
Compressive strength at room temperature    Mpa        ≥ 110 ℃×24h 30 35
1500 ℃×3h 90 90
Flexural strength at room temperature    Mpa        ≥ 110 ℃×24h 4 6
1500 ℃×3h 12 12
Arterial value        mm 170~210(Artesian method);200~220(Table jumping)

 

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