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Spesial High Alumina bricks with alumina content above 60% with raw materials of sillimanite, , andalusite, mullite dan corondum.

There are several grades of special high alumina firebrick refractories:

1.  Alumina 80 (SAL 80).
Refractoriness point: 1670 oC
Normal size: 230 x 114 x 65mm
2.  Alumina 75 (SAL).
Refractoriness point: 1650 oC
Normal size: 230 x 114 x 65mm
3.  Alumina 70 (SAL 70).
Refractoriness point: 1600 oC
Normal size: 230 x 114 x 65mm
4.  Alumina 60 (SAL 60).
Refractoriness point: 1580 oC
Normal size: 230 x 114 x 65mm

Applications in rotary kiln, reheating furnace, glass melting tank, blast furnace, fluidized bed boiler, non-ferrous metal furnace, general industrial furnace.