Refractory castables for aluminum melting furnace

      Castables for aluminum melting furnaces are suitable for different parts of aluminum melting furnaces in the aluminum alloy industry. They are resistant to aluminum liquid corrosion, anti-penetration, non-sticky to aluminum, and erosion-resistant. Our company's products are made of high-quality silicon carbide, fused corundum, and selected bauxite as the main raw materials, and are refined through scientific proportioning with high-quality additives. This product is comparable to similar products in Japan and has a good response in the domestic aluminum alloy industry.

Product specification

Properties specification of refractory castables for aluminum melting furnace

 Type

SR-RLL-1

SR-RLL-2

SR-RLL-3

SR-RLL-4

Chemical analysis(%) ≥ 

Al2O3

20

80

90

90

Bulk density(g/cm3) ≥

110℃×24h

1.80

2.70

2.90

3.00

 Modulus of rupture Mpa ≥

110℃×24h

4

7

15

6

1100℃×3h

3

7

20

6

 

Compressive strength Mpa ≥

110℃×24h

30

40

70

90

1100℃×3h

55

70

80

90

Permanent change (%)

   1100℃×3h
    ±0.2    ±0.1      ±0.1      ±0.1

Quality

Fused silica

High alumina

Corundum

Corundum

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