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Refractory mixtures, ultra- low cement

Refractory mixtures, ultra- low cement

Refractory ultra-low cement mixtures «BORCAST» are used for making monolithic concrete lining and production of refractory products

Technical characteristics

Classification of concrete mixtures depending on the prepakt method
W- vibratory casting
 S - self-spreading

 

Norm for mark

 

BORCAST-42UW(US)

BORCAST-45UW(US)

BORCAST-50UW(US)

BORCAST-62UW(US)

BORCAST-72UW(US)

BORCAST-90UW(US)

ТS 14-194-289-09

Mass fraction, %:

Al2O3, no less

Fe2O3, no more

CaO, no more

 

42

3,0

1,0

 

45

2,5

1,0

 

50

1,5

1,0

 

62

1,5

1,0

 

72

1,3

1,0

 

90

1,0

1,0

Compressive resistance after heat treating (1300°C), N/mm2, no less

30

40

65

35

45

70

Apparent density after heat treating (1300°C), g/сm3, no less

2,10

2,15

2,20

2,45

2,50

3,00

Heat stability, thermal cycling, no less

-

-

-

30

-

-

Moisture content at the shipping, %, no more

0,7

Grain  size composition, %:
Screen residue №7, no more

passage through the screen №0063, no less


10
30

For the mixture of BORCAST-62UW mark passage through the screen is allowed no less than 20%

 

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