High alumina brick for hot blast stove

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High alumina brick for hot blast stove - high alumina brick professional manufacturer and supplier in China.

Description

High alumina brick for hot blast stove

 

 

Item:

RL65

RL55

RL48

AL2O3(%)  ≥

65

55

48

Refractoriness (oC) ≥

1780

1760

1740

0.2Mpa Refractoriness under load (oC)≥

1500

1470

1420

Permanent linear change (1500oC×2h)(%)

-0.4~0.1

-0.4~0.1

-0.4~0.1

Apparent porosity (%) ≤

22

Cold crushing strength (MPa)

50

45

40

Thermal shock resistance (times) (1100 water cooling)

≥6