Castables for tundish back lining

      The castable is made by a formulation enabling mullite as the dominant phase at high temperature, with addition of high efficient dispersant and anti-explosion agent, featured by good thermal shock resistance, spalling resistance and long service life.

Product specification

Properties specification of castables for tundish backlining

 Type

SR-ZB-1

SR-ZB-2

Chemical analysis(%) ≥ 

Al2O3

65

70

Bulk density (g/cm3)   ≥

110℃×24h

2.40

2.60

1500℃×3h

2.30

2.50

Compressive strength Mpa ≥

110℃×24h

35

40

1500℃×3h

50

60

Permanent change (%)

1500℃×3h

±1.0

±1.0

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