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Boehmite Alumina

Boehmite Alumina

Zibo Xiangrun and Shandong Bairui group produce aluminas and boehmites derived from aluminium alkoxides. Our aluminas and boehmites have high chemical purity and dispersibility. Important properties such as pore volume, particle size and specific surface area can be adjusted. Due to their variability of properties, these aluminas and boehmites have over more than 30 years found their way into a broad range of different applications, including catalyst supports, coatings, polymer additives, paint detackifier, sol-gel abrasives and ceramics.

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Product Details

Synonyms

boehmite alumina, AlO(OH),  colloidal boehmite, sols, boehmite dispersions, nano-sized boehmite, dispersible boehmite, aluminum oxide

Dispersible boehmites are used in  applications such as sol-gel ceramics, binder for catalysis, refractory  materials, rheology control, surface frictionising and paint detackification.

Other more recently developed uses for  boehmite alumina powders include surface coating as well as polymer additives.

Boehmite alumina powders, which are  nano-sized in the dispersed phase, exhibit a unique combination of purity,  consistency, and dispersibility that make them excellent materials for use in demanding colloidal applications. Traditionally dispersible boehmites is used in  applications such as sol-gel ceramics, binder for catalysis, refractory  materials, rheology control, surface frictionising and paint detackification. Other  more recently developed uses for these boehmite alumina powders include surface  coating as well as polymer additives.


 The specification of  boehmite:

Item No.

Chemical    Composition %

D50, um

Surface area    m2/g

Bulk density    g/cm3

Fe2O3

Na2O

H2O

Ignition

B-R-2

≤0.02

≤0.03

≤0.5

≤17

2.0±0.5

≥70

0.3-0.5

Item

Unit

Low sodium    Pseudoboehmite

Common    Pseudoboehmite

Macroporous    pseudo boehmite

XR-DF-03-LS(NH-P-DF)

NH-P-D

NH-P-DH

NH-P-DF-1

NH-P-DF-2

NH-P-DF-3

Fe2O3      

%   

≤0.01  

≤0.01

≤0.03

≤0.03

≤0.03

≤0.03

Na2O      

%   

≤0.1

≤0.30

≤0.3

≤0.1

≤0.1

≤0.1

SiO2  

≤0.2  

≤0.2  

≤0.2  

1.0-2.0

1.0-2.0

1.0-2.0

Particle size

um

3-20

3-20

3-20

3-20

3-20

3-20

Surface area

㎡/g

≥250

≥250

≥250

≥250

≥250

≥250

Pore Volume

ml/g

0.4-0.5

0.4-0.5

0.5-0.8

0.85-0.95

0.9-1.0

0.9-1.2

Dry basis

%

≥65

≥65

≥65

≥70

≥70

≥70

3 H2O

%

≤1

≤1

 

≤3

≤3

≤3

Peptizing index

%

≥97

≥97

≥70

——

 

Packing:
 25kg bags, poly-lined fiber drums and 1000kg bulk bags


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