Home Sitemap Chinese
Site Search:
 
Products List
 
Alumina Special (AL2O3)
A: Fine Calcined Alumina Powder

It is white powder, uniform grain size, low moisture, stalble chemical performance.Used as raw materials for aluminous refractory, ceramic products, sparking plugs, grinding materials. It is basic material for aluminous refractory and high quality fillers with strong fire-retardantperformance.

1. Main standard

Chemical composition
Alumina(α-AL2O3)/ Fine Calcined
Appearance
White powder
Package
25kg woven bag
Characteristics
It is white powder, uniform grain size, low moisture, stalble chemical performance.
Application
aluminous refractory, ceramic products, sparking plugs and grinding materials. It is the basic material for aluminous refractory and high quality fillers with strong fire-retardant performance.

2. Specification

No
Item
Unit
Index
LJ-A
LJ-B
1
AL2O3
%≥
99.5
99.5
2
SiO2
%≤
0.10
0.10
3
Fe2O3
%≤
0.03
0.04
4
Na2O
%≤
0.10
0.20
5
Loss in burning
%≤
1.0
1.0
6
α-AL2O3
%≥
96.0
95.0
7
Proportion
%≥g/cm3
3.96
3.94
8
Granularity%
≤2um
≥90
≥85
D50um
≥0.60
≥0.80

B: Low Temperature Alumina

Alumina is white or slightly red powder or ball-shaped particles, insoluble in water and organic solvent, soluble in acidic and alkaline solutions, moisture absorptive in air.It is used as deacidifying-regenerant of transformer oil, purifying agent, catalyst.

1. Main standard

Chemical composition
Alumina (AL2O3)/ Low Temperature
Appearance
White powder
Package
25kg woven bag
Characteristics
It is white or slightly red powder or ball-shaped particles, insoluble in water and organic solvent, soluble in acidic and alkaline solutions, moisture absorptive in air
Application
deacidifying-regenerant of transformer oil,purifying agent,catalyst.

2. Specification

No
Item
Unit
Index
1
SiO2
%≤
0.07
2
Fe2O3
%≤
0.03
3
Na2O
%≤
0.50
4
Loss in burning
%≤
5±1.0
5
Granularity%
≤30um
≤6
>104um
≤6
 

C:High Fine Alumina

High fine alumina is white granular powder,high purity, weather stability, corrosion resistance.It is used in producing HF porcelain,ceramic substrate,high hardness device,three sub-sodium lamp fluorescent tube.

1. Main standard

Chemical composition
Alumina (AL2O3)/ High Fine
Appearance
White powder
Package
25kg woven bag
Characteristics
It is white granular powder,high purity,weather stability, corrosion resistance.
Application
HF porcelain,ceramic substrate,high hardness device,three sub-sodium lamp fluorescent tube

2. Specification

No
Item
Unit
Index
1
AL2O3
%≥
99.95
2
SiO2
%≤
0.005
3
Fe2O3
%≤
0.005
4
Na2O
%≤
0.02
5
Cao
%≤
0.006
6
Mgo
%≤
0.003
7
BET
m2/G
6-8
8
Granularity %
<2um
>85
D50um
0.6-0.8

D:Calcined Alumina

Calcined Alumina is white powder, good flowability,performance stability,hardly soluble in acid and alkali, excellent sintering property.It used as high quality material for aluminous refractory, sintering coroundum and electric ceramics.

1. Main standard

Chemical composition
Alumina (α-AL2O3)/Calcined
Appearance
White powder
Package
25kg woven bag
Characteristics
It is white powder, good flowability,performance stability,hardly soluble in acid and alkali, excellent sintering property.
Application
luminous refractory, sintering coroundum and electric ceramics.

2. Specification

No
Item
Unit
Index
LJ-A
LJ-2
1
AL2O3
%≥
99.5
99.5
2
SiO2
%≤
0.026
0.06
3
Fe2O3
%≤
0.04
0.03
4
Na2O
%≤
0.20
0.30
5
Loss in burning
%
1.0
1.0
6
α-AL2O3
%≥
94.0
93.0
7
Proportion
%≥g/cm3
3.94
3.95

E:Alumina (AL2O3)/Industry grade

Alumina(industry grade) made by slkali-lime sintered,It is white powdered crystal with low assay of Ti, Mn, Zn, Cu, V, Zr, Cr, Li, Pb, B, P, etc.It is used in the production of fused salt eletrorefining aluminium, corundum eramics, refractories and other alumina chemical products

1. Main standard

Chemical composition
Alumina (AL2O3)/Industry grade
Appearance
White powder
Package
25kg woven bag
Characteristics
It is white powdered crystal with low assay of Ti, Mn, Zn, Cu, V, Zr, Cr, Li, Pb, B, P, etc.
Application
Eletrorefining aluminium, corundum eramics, refractories and other alumina chemical products.
 
2. Specification
 
No
Item
Unit
Index
One grade
Two grade
1
AL2O3
%≥
98.6
98.4
2
SiO2
%≤
0.02
0.04
3
Fe2O3
%≤
0.02
0.03
4
Na2O
%≤
0.50
0.60
5
Loss in burning
%
1.0
1.0
 

F:Activated alumina(for Hydrogen peroxide)

activated alumina is white,ball-shaped or roll-shaped,nontoxic,odorless,
tasteless,insoluble in water and organic solvent,soluble in strong acids and alkalis,It used in hydrogen peroxide, adsorbents.

1. Main standard

Chemical composition
Activated Alumina (γ-Al2O3)/ For Hydrogen peroxide
Appearance
White or red spherical or cylindrical-shaped micro-particles
Package
25kg woven bag
Characteristics
It is white,ball-shaped or roll-shaped,nontoxic,odorless,tasteless,insoluble in water and organic solvent,soluble in strong acids and alkalis
Application
Hydrogen peroxide,adsorbents

2. Specification

No
Item
Unit
Index
 
Al2O3
%≥
92
1
Na2O
%≤
0.50
2
Fe2O3
%≤
0.04
3
SiO2
%≤
0.10
4
Loss in burning
%≤
7.0
5
Porosity volume
ml/g≥
0.40
6
BET
m2/g≥
180
7
Axial strength
N/cm≥
50
8
Specification
φ3-5mm,φ4-6mm

G: Activated alumina (Defluorination formulations)

Activated alumina (Defluorination formulations) is white or red spherical or cylindrical-shaped micro-particles,after absorbing moisture in air,it does not expand and crack, and keeps its original shape.It is made by scientific deployment high-purity alumina,catalyst. It is adsorptive with F2.It is used in the petrochemical industry,defluorant,deacidification agent,industrial arsenic acid,hydrogen peroxide

1. Main standard

Chemical composition
Activated Alumina (AL2O3)/ Defluorination formulations
Appearance
White or red spherical or cylindrical-shaped micro-particles
Package
25kg woven bag
Characteristics
It is white or red spherical or cylindrical-shaped micro-particles, It is made by scientific deployment high-purity alumina,catalyst. It is
adsorptive with F2.
Application
Petrochemical industry,defluorant,deacidification agent,industrial arsenic acid,hydrogen peroxide

2. Specification

No
Item
Unit
Index
1
AL2O3%
%≥
92
2
Bulk gravity
%≥g/ml
0.7
3
Compressive strength
%≥N/grain
40
4
BET
m2/g≥
250
5
Porosity volume
ml/g≥
0.4
6
Fluorine absorption
2.1
7
Na2O
%≤
0.4
8
Attrition rate
%
≤0.5
9
Specification
Φ2-3mm

H: Activated Alumina (AL2O3)/Desiccant type

Activated alumina(Desiccant type) is white or red spherical or cylindrical-shaped micro-particles, odorless, tasteless, nontoxic. It is big surface area,high compressive strength,hardness,long service life,and through renewable methods used repeatedly. After absorbing moisture in air, it does not expand and crack, and keeps its original shape.It is adsorptive with NOX, F2, As and other gases.It is used in Petrochemical,chemicals,textiles,metals,steel,gas oil cracking,latex,Acryl.

1. Main standard

Chemical composition
Activated Alumina (AL2O3)/Desiccant type
Appearance
White or red spherical or cylindrical-shaped micro-particles
Package
25kg woven bag
Characteristics
It is white or red spherical or cylindrical-shaped micro-particles, odorless, tasteless, nontoxic. It is big surface area,high compressivestrength, hardness,
long service life, and through renewable methods used repeatedly. After absorbing moisture in air, it does not expand and crack, and keeps its original shape.
Application
Petrochemical,chemicals,textiles, metals,steel,gas oil cracking,latex,Acryl.

2. Specification

No
Item
Unit
Index
1
Na2O
%≤
0.50
2
Fe2O3
%≤
0.03
3
SiO2
%≤
0.026
4
Loss in burning
%≤
6.0
5
Porosity volume
ml/g≥
0.45
6
BET
m2/g≥
220
7
The rate of absorbing moisture
%≥
40
8
Axial strength
N/cm≥
100
9
Specification
φ3-5mm,φ4-6mm,φ5-7mm
 
Synthetic Cryolite
Aluminum Fluoride
Alumina (AL2O3)/Industry grade
Alumina Special (AL2O3)
Aluminum Hydroxide (Al(OH)3 )/ Industry grade
Sodium Hyposulphite
Caustic Soda flake (NaOH)
Sodium Sulfite Anhydrous
Sodium Tripolyphosphate (STPP)
Sodium Metabisulfite
Oxalic Acid
Sodium formate
Add: 8/F,No.131 Huanghe Road,Zhengzhou, China.
P.C: 450003
Tel:+86-371-65387996
Fax:+86-371-65387997
E-mail:sales@flworldchem.com Url:www.flworldchem.com
Copyright(C)2008,Zhengzhou Flworld Chemical Co., Ltd. All Rights Reserved. Supported by Toocle ChemNet ChinaChemNet
ICP No.: 09000804