The price of calcined bauxite with 88% high alumina

Product Detail

shape:pieceFerric oxide:<3%
brand:moon and starsAl2O3 (minimum):88%
Supply capacity:1000 tons of calcined bauxite per monthapplication:ceramic industry
port:Tianjin, Qingdao portMoisture (%):2%
Material:BauxiteK2O+NA2O:max 0.3
Origin:Henan, ChinaPackaging Details:25kg/bag, or according to customer requirements
payment terms:L/C, Western Union, T/Taspect:0-1,1-3,3-5mm
Bulk density:3.2 g/cm3usage:refractory
model:XY-150Concentrated or not:Whether to concentrate
chemical composition:Aluminum oxideSilica content (%):up to 9%
Other names:Calcined BauxiteCaO content (%):0.2max
Package preview:MgO content (%):<0.5

 

88% high alumina calcined bauxite price

 

introduce

Calcined bauxite is one of the main ores of aluminum. Calcined bauxite contains hydrous aluminum

oxides and aluminum hydroxides, through tropical and

subtropical regions. Calcined bauxite is obtained by calcining (heating) high-quality bauxite at high temperature

Temperature (from 85OC to 1600C). This removes moisture which increases the alumina content.

Calcined bauxite has alumina content compared to the approximately 57% to 58% alumina content of primary bauxite

The content is 84% ​​to 88%. Heating takes place in a rotary kiln.

 

application

1. Aluminum metallurgy

2. Precision casting/investment casting:

Bauxite clinker fine powder can be made into precision casting molds.

3. Refractoriness: The refractoriness of high alumina bauxite can reach 1780°C.

Has good chemical stability and mechanical properties. (Al2O3 ≥48% low Fe2O3)

4. Aluminum silicate refractory fiber: high alumina bauxite clinker can be melted at 2000°C-2200°C in an electric arc furnace, and becomes aluminum silicate refractory fiber after a series of processing.

It can be made into fiber blanket, board and cloth.

5. Mix magnesia and bauxite clinker with binder to cast ladle for better overall lining

Performance.

6. Production of bauxite cement

7. Abrasives

8. Ceramic industry

9. Chemical industry of various aluminum compounds.

 

Specification:

grade

Aluminum oxide

Ferric oxide

Titanium dioxide

K2O+Na2O

Calcium Oxide + Magnesium Oxide

Bulk density

75

75 minutes

≤3.0

≤4.0

≤0.3

≤0.5

≥2.70

80

80 minutes

≤3.0

≤4.0

≤0.3

≤0.5

≥2.80

85

85 minutes

≤2

≤4.0

≤0.3

≤0.5

≥3.00

86

86 minutes

≤2

≤4.0

≤0.3

≤0.5

≥3.10

87

87 minutes

≤2

≤4.0

≤0.3

≤0.5

≥3.20

88

88 minutes

≤1.8

≤4.0

≤0.25

≤0.5

≥3.25

Post-90s

90 minutes

≤1.8

≤4.0

≤0.25

≤0.5

 

 

 

 

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