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SK series high alumina bricks

Main Characters of SK series high alumina bricks:
high refractoriness under load. The refractoriness is higher than fireclay bricks and much higher of the refractoriness under load with more content of alumina.
Thermal shock resistance of the SK series high alumina bricks: The thermal shock resistance for the SK series high alumina bricks are largely depends on the mineral composition and chemistry microstructure. SK series high alumina bricks’ thermal shock resistance is worse than that of fireclay bricks.
Chemical erosion resistance: SK series high alumina bricks have good resistance to acid, alkali slag, erosion of liquid metal. In a

ddition, they have good performance of oxidation reduction reaction.


Applications of SK series high alumina bricks:

SK series high alumina bricks are widely used in metallurgy furnace and other various kinds of kilns.


Physical and Chemical Index for SK series high alumina bricks

Item

SK36

SK38

Al2O3 (%)

48

70

Fe2O3 (%)

2.0

1.8

Compressive Strength (MPa)

39

50

Refractory

1750

1770

Apparent Porosity %

24

23

Bulk Density (g/cm3)

2.25

2.4

Reheat line change (%)

(1500 ,2h, )
+0.1— -0.4

(1500 ,2h, )
+0.1— -0.4

Refractory under load (0.2MP)

1420

1500

Packages for SK series high alumina bricks:

SK series high alumina bricks are packed on wooden pallet and then polyethylene film is placed over it, finally the package is tied up with steel strips.
Minimum order quantities of SK series high alumina bricks : 20 tons

Delivery time of SK series high alumina bricks:
The production capacity reach to 5000 t per month and the delivery will be made within 40 days after contract being effective.




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