High Allumina Bricks

Brand

LZ-48

LZ-55

LZ-65

LZ-75

Al 2 O 3 , % ≥

48

55

65

75

Refractoriness , ℃ ≥

1750

1770

1790

1790

0.2Mpa Refractoriness Under Load, ℃ ≥

1420

1470

1500

1520

Cold Crushing Strength , Mpa ≥

39.2

44.1

49.0

53.9

Apparent Porosity , % ≤

22

23

23

23

Permanent Linear Change,%

1450 ℃ ,2h

1500 ℃ ,2h

1500 ℃ ,2h

1550 ℃ ,2h

0.1 ~ -0.4

+0.1 ~ -0.4

+0.1 ~ -0.4

+0.1 ~ -0.4

Range Of Application

Common High Temperature Kilns

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