Alumina Crucible Description
Alumina crucible is a ceramic product with high thermal conductivity, compressive strength, and thermal shock resistance. It also has a low thermal expansion, making it a suitable material for furnace use in crucible, tube, and thermocouple sheath forms. Alumina has high hardness and good wear resistance, making it a suitable material for ball valves, piston pumps, and deep drawing tools. In addition, it can be easily combined with metals and other ceramic materials using brazing techniques and metalizing. Alumina crucibles can be used at high temperatures and do not contaminate most molten metals.
Alumina Crucible Specification
Alumina Crucible Properties
|
Composition
|
UNIT
|
Al95
|
Al99
|
Al997
|
|
Al2O3 Content
|
%
|
95
|
99
|
99.7
|
|
Color
|
-
|
White
|
Ivory
|
Ivory
|
|
Tensile Strength
|
Kpsi
|
32
|
38
|
36
|
|
Flexural Strength
|
Kpsi
|
52
|
55
|
54
|
|
Compressive Strength
|
Kpsi
|
300
|
377
|
350
|
|
Density
|
g/cc
|
3.70
|
3.90
|
3.92
|
|
Hardness
|
HV, GPa
|
13.8
|
17.2
|
18
|
|
Thermal Conductivity
|
W/(m K)
|
25
|
30
|
30
|
|
C.O.T.E.
|
In / In°C (x10^-6)
|
7.7
|
7.8
|
7.8
|
|
Working Temperature
|
°C
|
1500
|
1650
|
1750
|
|
Dielectric Constant
|
|
9.5
|
9.7
|
9.8
|
|
Volume Resistivity (25°C)
|
Ohm-cm
|
>10^14
|
>10^14
|
>10^14
|
Alumina Crucible Specifications
|
Item Code
|
Top OD (mm)
|
Bottom OD (mm)
|
H(mm)
|
WT(mm)
|
C.C(ml)
|
|
AC0925-TW005
|
25
|
15
|
28
|
1.3
|
5
|
|
AC0925-TW010
|
29
|
18
|
34
|
1.5
|
10
|
|
AC0925-TW015
|
32
|
23
|
33
|
1.5
|
15
|
|
AC0925-TW020
|
36
|
23
|
41
|
1.7
|
20
|
|
AC0925-TW025
|
36
|
25
|
42
|
1.7
|
25
|
|
AC0925-TW030
|
38
|
25
|
45
|
1.7
|
30
|
|
AC0925-TW040
|
45
|
30
|
46
|
2
|
40
|
|
AC0925-TW050
|
48
|
30
|
52
|
2
|
50
|
|
AC0925-TW070
|
58
|
33
|
66
|
2
|
70
|
|
AC0925-TW100
|
58
|
35
|
68
|
2
|
100
|
|
AC0925-TW150
|
67
|
42
|
78
|
2.5
|
150
|
|
AC0925-TW200
|
73
|
44
|
86
|
2.5
|
200
|
|
AC0925-TW250
|
79
|
46
|
96
|
2.5
|
250
|
|
AC0925-TW300
|
83
|
50
|
106
|
2.5
|
300
|
|
AC0925-TW400
|
91
|
56
|
108
|
2.5
|
400
|
|
AC0925-TW500
|
100
|
60
|
118
|
3
|
500
|
Alumina Crucible Applications
• Making parts for CVD, ion implants, photolithography, and semiconductor parts.
• Ideal for products such as injector tubes, gas nozzles, and insulators in traditional industries.
• Material for industrial furnaces.
• Protector for high-temperature thermal couples.
• Material for the chemical industry due to its high corrosion resistance.
Alumina Crucible Packaging
Our Alumina crucibles are carefully handled to prevent damage during storage and transportation and to preserve the quality of our products in their original condition.
