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Competitive Price Calcined Al2O3 Bauxite Ore with High Quality
| Price | $485.00 |
|---|---|
| Min Order | 1 Ton |
| Availability | In Stock |
| Shipping From | Henan, China |
| Popularity | 528 people viewed |
Model NO.:
XT-P1
Refractoriness (℃):
1580< Refractoriness< 1770
Shape:
Block
Sample:
Provide for Free
Al2O3 Content:
65-88%
Application:
Refractory, Ceramics, Aluminum Industry.
Bulk Density:
2.45 - 3.15
K2o+Ca2o:
<0.04%
Color:
Grey or Yellow
Type:
Refractory Material
Material:
Alumina Cement
Trademark:
SWT-
Transport Package:
25kg/PP Bag, or 1000kg/Jumbo Bag According to Cust
Specification:
0-1mm, 1-3mm, 3-5mm, 5-8mm, 200mesh,
Origin:
Henan. China
HS Code:
250830000
Product Description
Competitive Price Calcined Al2O3 Bauxite Ore With High Quality
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.
1.Classified according to the type of bauxite raw materials:
Bauxite has a lot of different specifications like
Granular ( 0-1mm 1-3mm 3-5mm 5-8mm)
Powder ( 200mesh 325mesh )
and big lump , the Al2O3 from 65-90%
we can also produce according to customers special requirement
Application of our calcined bauxite
1. Aluminium metallurgy
2. Precision casting / Investment casting:
3. Refractory:
4. Ceramics industry
5. Aluminium silicate refractory fiber:
6. Mixing magnesia and bauxite grog with binders to pour the molten steel ladle for better overall lining performance.
7. Producing bauxite cement
8. Abrasive
9. Chemistry industry for all kinds of aluminium compound.
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.
Classification Introduction:
1.Classified according to the type of bauxite raw materials:
(1) raw bauxite, alumina original ore (natural sedimentary rock class).
(2) the calcined bauxite, the raw bauxite after high temperature calcination (1200 ~ 1700 ºC)
2.Calssified according to the different calcining kiln where the bauxtie is divided into:
(1)Shaft kiln bauxite
(2)Rotary kiln bauxite
(3)Round kiln bauxite
3.Calcined Bauxite according to different uses for division:
(1) the refractory grade bauxite
(2) the grinding grade alumina
(3) the welding grade bauxite
Bauxite has a lot of different specifications like
Granular ( 0-1mm 1-3mm 3-5mm 5-8mm)
Powder ( 200mesh 325mesh )
and big lump , the Al2O3 from 65-90%
we can also produce according to customers special requirement
| Chemical composition(%) | RKB-75 | RKB-78 | RKB-80 | RKB-82 | RKB-84 | RKB-85 | RKB-86 | RKB-87 | RKB-88 | RKB-89 |
| Al2O3 (min) | 75.00 | 78.00 | 80.00 | 82.00 | 84.00 | 85.00 | 86.00 | 87.00 | 88.00 | 89.00 |
| Fe2O3 (max) | 2.50 | 2.30 | 2.20 | 2.20 | 2.00 | 2.00 | 2.00 | 1.80 | 1.70 | 1.60 |
| SiO2 (max) | 19.00 | 16.00 | 14.00 | 12.00 | 10.00 | 9.00 | 8.00 | 7.00 | 6.00 | 5.00 |
| TiO2 (max) | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 | 4.00 |
| CaO+MgO (max) | 0.80 | 0.80 | 0.80 | 0.70 | 0.70 | 0.60 | 0.60 | 0.60 | 0.60 | 0.60 |
| K2O+Na2O (max) | 0.50 | 0.50 | 0.50 | 0.40 | 0.40 | 0.40 | 0.30 | 0.30 | 0.40 | 0.40 |
| B.D. ( g/ccm min) | 2.70 | 2.75 | 2.80 | 2.90 | 3.00 | 3.10 | 3.15 | 3.20 | 3.25 | 3.30 |
| H2O (max) | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 |
Application of our calcined bauxite
1. Aluminium metallurgy
2. Precision casting / Investment casting:
3. Refractory:
4. Ceramics industry
5. Aluminium silicate refractory fiber:
6. Mixing magnesia and bauxite grog with binders to pour the molten steel ladle for better overall lining performance.
7. Producing bauxite cement
8. Abrasive
9. Chemistry industry for all kinds of aluminium compound.
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