Calcined Alumina is crystalizing α-Alumina which is
made by heating under 1300℃ at the kiln from wet Aluminium Hydroxide.
It is very useful in industrial application to high strength.
MAKER CHARACTERISTICS
1. SUMITOMO CHEMICAL CO.
GRADE
A-210
A-21
AM-210
AM-21
AM-27
AMS-9
AES-11
Chemical composition
H₂O
(%)
0.02
0.04
0.1
0.1
0.2
0.1
0.1
L.O.I
(%)
0.05
0.05
0.05
0.05
0.1
0.1
0.1
FE₂O₃
(%)
0.01
0.01
0.01
0.01
0.01
0.01
0.01
SIO₂
(%)
0.01
0.01
0.02
0.02
0.02
0.01
0.06
Na₂O
(%)
0.29
0.25
0.26
0.26
0.26
0.24
0.04
AL₂O₃
(%)
99.6
99.6
99.6
99.7
99.7
99.7
99.7
Physical properties
Specific gravity
(g/cm3)
3.95
3.95
3.9
3.95
3.9
3.9
99.8
Bulk density (Loosed)
(g/cm3)
1
0.9
0.7
0.7
0.6
Bulk density (Packed)
(g/cm3)
1.15
1.2
1.3
1.3
1.3
size of α-crystal
(μ)
3~5
2~4
2~4
2~4
< 1
0.3
0.3
Ave. Grain Dia
(μ)
90
50
3.5
3.5
1
0.6
0.5
2. CHINA MADE
GRADE
H-21
HM-21
Chemical composition
H₂O
(%)
L.O.I
(%)
FE₂O₃
(%)
0.02
0.02
SIO₂
(%)
0.04
0.04
Na₂O
(%)
0.18
0.18
AL₂O₃
(%)
99.65
99.65
Physical properties
Specific gravity
(g/cm3)
3.93
3.93
Bulk density (Loosed)
(g/cm3)
Bulk density (Packed)
(g/cm3)
size of α-crystal
(μ)
1.8
1.8
Ave. Grain Dia
(μ)
45
3.2
3. KOREAN MADE
GRADE
CA-50F
CA-5M
Chemical composition
H₂O
(%)
L.O.I
(%)
0.1
0.1
FE₂O₃
(%)
0.03
0.03
SIO₂
(%)
0.02
0.02
Na₂O
(%)
0.3
0.3
AL₂O₃
(%)
99.5
99.5
Physical properties
Specific gravity
(g/cm3)
Bulk density (Loosed)
(g/cm3)
Bulk density (Packed)
(g/cm3)
size of α-crystal
(μ)
Ave. Grain Dia
(μ)
50
5
- APPLICATION : Fused Alumina, Refractory, Fine Ceramic, Abrasives, etc - PACKING : 25KG Paper Bag
Hando trading corp. ㅣ
130, Yeomjeon-ro, Nam-gu, Incheon, Republic of Korea
permit number : 121-81-80538 TEL : 032-777-4646 FAX : 032-777-4663
E-MAIL : danielkim2965@gmail.com
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