Fire clay brick for trolley SK-34(pencil stone)

Item

Standard

AI2O3(%)

38

Fe2O3 (%)

2.5

Refractoriness (SK)

34

Refractoriness under load, 0.2MPa, Ta, ((°C)

1350

Porosity (%)

19-23

Bulk density (g/cm³)

2.10-2.15

Cold crushing strength (MPa)

25

Thermal expansion at 1000°C (%)

0.6