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PRODUCT
water glass bind alumina magnesia castable refractory

item

index

LMJ £≠ 70

LMJ £≠ 65

LMJ £≠ 60

chemical composition

£•

Al 2 O 3 >

70

65

60

MgO >

8

8

8

dryness volume density      g/cm 3

110°ś°Ń24h

2.65

2.50

2.40

dryness    linear change rate £•

110°ś°Ń24h

0 °ę£≠ 0.4

£≠ 0.4

£≠ 0.4

dryness folding strength     MPa

110°ś°Ń24h

7.5

7.5

7.5

dryness compressive strength     MPa

110°ś°Ń24h

30

25

20

setting time min

initial set 

45

45

45

final set 

720

720

720

refractoriness °ś

1730

1700

1680

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