Andy Company 安迪公司
 

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Alumina Crucibles And Boats| Thermocouple protection tubes| Ceramic Electric insulator| Ceramic Rollers For Furnaces| Alumina Plate And Disk|

TYPICAL PHYSICAL PROPERTIES
AL2O3      %Composition
60
75
80
85
92
95
99
99.8
Density(g/cm3)
3.0
3.1
3.3
3.4
3.6
3.7
3.81
3.91
Flexural Strength(MPa)
205
280
215.7
230
312
304
340
370
Thermal Expansion
(×10-6/℃)
(25-800℃)
7.1
7.6
7.6
7.6
7.5
7.3
7.6
7.6
Thermal Conductivity
[w/(m.R)]
16
17
17
17
18
20
34
35
Dielectric Strength 
(KV/mm)
10
10
10
10
10
10
10
10
Resistivity (Ω.cm)
20℃
>1014
>1014
>1014
>1014
>1014
>1014
>1014
>1014
300℃
>1013
>1013
>1013
>1013
>1013
>1012
>1010
>1010
Max Service Temp.
1350℃
1100℃
1300℃
1350℃
1500℃
1600℃
1700℃
1800℃
Hardness (Moh'sscale)
7.5
7.5
7.5
7.5
8.5
8.8
9
9
耐火度
1800
1700
1800
1850
1920
2000
2030
2040

Address: No.2-110,DongFeng Road, Zhengzhou city, Henan, China
豫ICP备07007972号
Telephone: 86-138-3855 0579 EMail: sales@andygroup.com shiransophie@hotmail.com