.

High Alumina Bricks for Hot Blast Stoves

Mark & model:RL-65、RL-55、RL-48

HIGH ALUMINA BRICKS FOR HOT BLAST STOVES

Goods Brand

RL-65

RL-55

RL-48

Al2O3(%) min

65

55

48

Refractriness under load 0.2 Mpa (℃) min

1500

1470

1420

Apparent porosity (%) max

22

22

22

Cold Crushing strength (MPa)min

50

45

40

Shrinkage after reheating (%) max

1500℃x2h

***

1450℃x2h

***

***

Thermal shock (1100℃water)

6

6

6


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