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PRODUCT
high alumina refractory mortar

item 

index

LN-55A

LN-55B

LN-65A

LN-65B

LN-75A

LN-75B

LN-85B

GN-85B

refractoriness

1770

1770

1790

1790

1790

1790

1790

1790

chemical composition

Al 2 O 3

55

55

65

65

75

75

85

85

SiO 2

2.0

2.0

2.0

2.0

1.8

1.8

1.5

1.5

felt folding strength MPa

110after dryness

1.0

2.0

1.0

2.0

1.0

2.0

2.0

2.0

14003h

4.0

6.0

4.0

6.0

4.0

6.0

15003h

6.0

6.0

0.2MPa  refractoriness under load   

1300

1400

1400

1650

linear change

14003h

1 5

15003h

1 5

cohesional strength   min

1 3

size

1mm

100

+0.5mm

2

-0.074mm

50

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