Andy Company 安迪公司
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Index
Silicon Carbide Products
Moly Disilicide Elements
Silicon Carbide Elements
Ceramic Fiber Board
NiCr Heating Alloys
Alumina Products
Alumina Crucibles Boats
Muffle Tube Furnaces
Muffle Box Chamber Furnaces
Contact Us
Alumina Crucibles And Boats
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Thermocouple protection tubes
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Ceramic Electric insulator
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Ceramic Rollers For Furnaces
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Alumina Plate And Disk
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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