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refining castble

 refining castble index:

item

index

RH castble

CAS castble

RH-92

RH-90

CAS-90

CAS-88

alumdum

corundum-spinel

alumdum

corundum-spinel

 

chemical component %

Al 2 O 3

92

94

90

88

MgO

-

4

-

4

volume density g/cm 3

110 24h

2.9

2.9

3.0

2.9

linear change rate %

1450 2h

0.5

0.5

0.5

0.5

compressive strength

MPa

110 24h

6.0

8.0

7.0

9.0

1450 2h

14.0

12.0

12.0

12.0

usage

RH  submerged tube 

CAS top cover, under cover

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