Mullite-corundum concrete mix SMKBT (СМКБТ)

Standard technical documents:

ТУ 14-8-381-89

Type:

Dense refractory castable 

Bond:

Hydraulic

Basic material:

Mullite,  Secar-51

Application method:

Vibration casting

Basic propeties:

Maximum operating temperature

1500

°C

Permanent linear expansion at1000 °С

1,1

%

Apparent density on firing at 1000 °С

2,2

g/cm³

Maximum fraction

6

mm

Chemical analysis:

Al2O3

72

%

Fe2O3

1.0

%

CaO 

7.5

%

Physical properties:

After firing at, °С

Permanent linear expansion, %

Ultimate compressive strength, N/mm²

Temperature, °С

Thermal conductivity, W/mK

110

800

1000

1200

1400

- 0,02

- 0,60

- 1,00

- 1,30

- 1,32

70

55

45

40

50

500

800

1000

0,92

1,14

1,21

Specifications