High Hardness High Density Corrosion Preventive Alumina Precision Ball
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Product Details
| Customization: | Available |
|---|---|
| Color: | White |
| Diameter: | OEM |
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Basic Info.
- Model NO.
- 01
- Material
- Alumina Ceramic
- Surface Finish
- Polished
- Usage
- Building Materials, Chemical, Machinery, Metallurgy, Petroleum
- Application
- Industrial Ceramic
- Type
- Ceramic Balls
- Transport Package
- Wooden Box
- Specification
- 0.5-100mm
- Trademark
- SHANGTAO
- Origin
- China
Product Description
| Aluminum Oxide Precision Ball Physical Properties | ||||||
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AL2O3 conent %
|
60
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75
|
85
|
95
|
99
|
99.7
|
|
Bulk density(g/cm3)
|
3
|
3.1
|
3.4
|
3.7
|
3.81
|
3.85
|
|
Flexural Strength(MPa)
|
205
|
280
|
230
|
304
|
340
|
370
|
|
Coefficient of linear expansion(×10-6/ºC)(25-800ºC)
|
7.1
|
7.6
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7.6
|
7.3
|
7.6
|
7.6
|
|
Thermal conductivity[w/(m.R)]
|
16
|
17
|
17
|
20
|
34
|
35
|
|
Insulated strength(KV/mm)
|
10
|
10
|
10
|
10
|
10
|
10
|
|
Bulk density resistance(Ω.cm)20ºC
|
>1014
|
>1014
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>1014
|
>1014
|
>1014
|
>1014
|
|
300ºC
|
>1013
|
>1013
|
>1013
|
>1012
|
>1010
|
>1010
|
|
Long term operating temperature (ºC)
|
1350
|
1000
|
1290
|
1480
|
1600
|
1700
|
|
Hardness
|
7.5
|
7.5
|
7.5
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8.8
|
9
|
9
|
|
Refractoriness
|
1800
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1700
|
1850
|
2000
|
2030
|
2040
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Product Characteristics of Aluminum Oxide Precision Ball
1.Dense without pores.
2.Large inventory of alumina balls.
3.Non standard sizes/diameters/specifications are available.
4.The toughness of alumina balls is relatively low.
5.Compared to silicon nitride balls, alumina balls are more suitable for use in situations with lower cost requirements.
Aluminum oxide ceramic balls are wear-resistant, heat-resistant, antioxidant, resistant to water, salt
solutions, and other chemical and acid corrosion. Additionally, it can maintain dimensional stability up
to 1100 ºC.
2.Large inventory of alumina balls.
3.Non standard sizes/diameters/specifications are available.
4.The toughness of alumina balls is relatively low.
5.Compared to silicon nitride balls, alumina balls are more suitable for use in situations with lower cost requirements.
Aluminum oxide ceramic balls are wear-resistant, heat-resistant, antioxidant, resistant to water, salt
solutions, and other chemical and acid corrosion. Additionally, it can maintain dimensional stability up
to 1100 ºC.
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