High-refractory mullite products for blast furnace bottom lining

MLLD

GOST 10381-94

Mass fraction, %:

Al₂O₃, no less
Fe₂O₃, no more

63
1,2

Compressive resistance, N/mm², no less, for products numbers:

1, 2

3, 4

5-10

60

70

30

Open porosity, %, no more, for products  numbers:

1-4

5-10

 
16

19

Permanent linear shrinkage, %, no more at the temperature of 1500 °C 

0,2

Onset temperature of softening on load 0,4 N/mm², °C, no low

1500

Product number

Sizes, mm

a

б

в

1

550

200

150

2

550

200

120

3

400

200

120

4

400

200 

100