185 5336 8358 sales@qunhuirefractory.com
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High Alumina bricks for general uses are made from bauxite of super quality, bonding chamotte and additives.


  Main Properties

Item

Index

Code

DL-48

DL-55

DL-65

DL-70

DL75

Al2O3  min, %

48

55

65

70

75

Refractoriness , min

1790

1793

1760

1770

1780

Refractoriness under load (0.2MPa) , min

1360

1380

1420

1430

1440

Linear change after reheating(1550, 2h) %

0 ~ -0.6

0 ~ -0.55

0 ~ -0.3

0 ~ -0.3

0 ~ -0.3

Apparent porosity max, %

21

19

19

19

18

Cold crushing strength  Mpa, min

40

45

50

55

60




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Zibo Qunhui Refractory Co., Ltd.

Address: North Of Gongjiawu Village, Lingzi Town, Zichuan District, Zibo, Shandong, China
Mobile phone: +86 185 5336 8358 / +86 176 8561 2687
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