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Refractory products for boiler furnaces of marine vessels

Refractory products for boiler furnaces of marine vessels

Technical characteristics

 

Norm for mark

 

SHST

GOST 10352-80 with a change 1

Mass fraction, %:

Al2O3, no less

 

37

Compressive resistance, N/mm2    ,no less:            

- for products of normal size

- for molded products weighing no more than 20 kg

 

20

15

Open porosity, %, no more:

- for products of normal size

- for shaped products weighing no more than 20 kg

 

24

26

Additional linear shrinkage,%, no more at the temperature 1400 ° C, at exposures of 2 hours

0,4

Refractory property, °C, no low than

1730

Thermal resistance, thermal cycling (1300°C - water), not less

10

Apparent density, g/cm3, within

1,9-2,0

 

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