Alkali Proof Castable

Alkali Proof Castable

1.Long service life,
2.High strength,
3.Low bulk density,
4.High refractoriness.


Alkali Proof Castable has strong erosion resistance capacity against the alkali gas and clinker and its service life is long. This product is mainly used in linings of kiln hood, decomposing furnace, preheater system, pipeline system and other industrial kiln.

  Technical Data:

Items High Strength Alkali Proof Castable
RS-13NL RS-14N
Chemical Composition  % Al2O3 48 45
Bulk Density g/cm 3 110℃x24h 2.2-2.4 2.2-24
MOR MPa 110℃x24h 7 8
1110℃x3h 7 8
Cold Crushing Strength MPa 110℃x24h 70 80
1110℃x3h 70 80
Linear Dimensional Change% 1110℃x3h ±0.4 ±0.4
Maximum Service Temperature  ℃ 1300 1400


. Steel furnaces
. Iron making furnaces
. Glass kiln
. Ceramic tunnel kiln
. Cement kiln

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