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Refractory products for aggregates for coke production

Refractory products for aggregates

Refractory products for aggregates for coke production

Technical characteristics

 

Norm for mark

 

SHK-28

SHK-35

SHK-37

SHK-39

SHK-41

ТS 1543-004-73399783-2011

Mass fraction, %:

 

Al2O3, no less

28

35

37

39

41

Fe2O3, no more

not applic.

not applic.

3,5

2,5

1,5

Compressive resistance, N/mm2   ,no less               

12 (15*)

20 (25*)

20 (30,35,40*)

40

70

Open proposity, %, no more

28

20

in the limit 12-22

18

12

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

 

1350 °C

0,6

0,4

0,4

0,3

-

1450 °C

-

-

-

-

0,2

Refractory property, °C, no low

1670

1710

1730

1730

1750

Thermal resistance, thermal cycling , no less

not applic.

2**

not applic.

not applic.

not applic.



* The compressive resistance norm is determined depending on the place of the laying

The form and sizes of products according to GOST 8691-73 with a change 1-4 and according to the customer's drawings.

** Determined only for gas burners.

 

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