Qingdao Highsky International Trade Co., Ltd.
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  • Contact Person : Ms. Wong Yuni
  • Company Name : Qingdao Highsky International Trade Co., Ltd.
  • Tel : 86-532-55579890
  • Fax : 86-532-55579840
  • Address : Shandong,Qingdao,Room 2-2316 Artech Space,No.63 Haier Road,Laoshan District,Qingdao
  • Country/Region : China
  • Zip : 266000

bauxite

bauxite
Product Detailed
Related Categories:Bauxite Ore
Related Product Searches:bauxite,High Quality,bauxite, raw bauxite,3-1mm and 1-0mm
calcined bauxite is typically calssified according to its intended commercial application,such as abrasive ,cement ,chemical, Specifications

Calcined bauxite: 14 years producing experience; self-owned mines; SGS or BV report.

Calcined bauxide specification:

Grade

AL2O3

FE2O3

TIO2

K2O+Na2O

CaO+MgO

Bulk density

75

75min

≤3.0

≤4.0

≤0.3

≤0.5

≥2.70

80

80min

≤3.0

≤4.0

≤0.3

≤0.5

≥2.80

85

85min

≤2

≤4.0

≤0.3

≤0.5

≥3.00

86

86min

≤2

≤4.0

≤0.3

≤0.5

≥3.10

87

87min

≤2

≤4.0

≤0.3

≤0.5

≥3.20

88

88min

≤1.8

≤4.0

≤0.25

≤0.5

≥3.25

90

90min

≤1.8

≤4.0

≤0.25

≤0.5

Size: as buyer’request

Packing: usually we packing in big bag, 1.25mt/bag; we could pack as buyer’request

Calcined bauxite is one of the principal ore of aluminum. Calcined bauxite contains hydrous aluminum oxides and aluminum hydroxides, formed through the laterization of aluminous rocks in tropical and subtropical areas .calcined bauxite is obtained by calcining (heating)superior grade bauxite at high temperature (from 85OC to 1600C) .this removes moisture thereby increasing the alumina content. compared to an alumina content of about 57%to 58%in raw bauxite, calcined bauxite has an alumina content of 84%to88%.the heating is carried out in rotary kilns.

Applications

calcined bauxite is typically calssified according to its intended commercial application,such as abrasive ,cement ,chemical, metallurgical, and refractory .as raw material for use in high alumina and super duty refratory bricks and shapes ,plastics ,castable refratory, motors, gun mixes, ramming mixes, abrasive grains and other products.

bauxite



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