Refractory mullite compact heatproof and mullite-corundum products

MLUT-62

MLUT-69

MKB-75

 ТS 14-194-277-07 with a change 1 

ТS 14-8-633-95 with a change 1,2

Mass fraction (on ignition basis), %:

Al₂O₃, no less

Fe₂O₃, no more

62

1,1

69

1,0

75

2,2

Compressive resistance, N/mm², no less

50

50

40

Open porosity, %, no more

17

19

23

Residual changes in the sizes during heating,%, no more than, at the temperature:

1500 °C

1600 °C

 0,6

-

 0,6

-

 -

2,5*

Onset temperature of softening, °C, no less

1600

1650

1420*

Thermal resistance in the mode 1300°C- water, thermal cycling, no less

25

30

3*