Ceramic Alumina Crucibles
Product Description
Ceramic Alumina Crucibles are cup-shaped vessels made of 99% high purity alumina powder. They can be used under 1800℃ for long time. They are suitable for melting samples with some weakly alkaline substances as flux, but not suitable for strong alkaline substances such as Na202 and NaOH and acidic substances as flux. We can customized special sizes and have many specifications.
Product Features
1. High purity aluminum oxide, with an aluminum oxide content greater than 99%
2. Chemical corrosion resistance
3. High temperature resistance, normal use at 1600 ℃, short-term at 1800 ℃
4. It is resistant to sudden cold and heat, and is not easy to explode
5. Adopting injection molding with high density
Product Application
Ceramic Alumina Crucibles are usually used for high temperature heating of liquids or solids in the laboratory or various analysis.
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Item |
|
|
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Al2O3 Content(%) |
99 |
|
|
Heat resistance(℃) |
1800 |
|
Bulk density(g/cm3) |
3.9 |
|
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Water absorption(%) |
0 |
|
|
Flexural strength(Mpa) |
360 |
|
|
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Hardness vickers (Gpa) |
15.6 |
|
Elastic modulus (Gpa) |
370 |
|
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Poisson's ratio |
0.23 |
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|
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Linear expansion coefficient(20℃-500℃) 10-6/℃ |
8 |
|
Thermal conductivity w/(m.k) |
32 |
|
|
Specific Heat *10-3J/(kg*K) |
0.9 |
|
|
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Dielectric constant (1MHZ) |
9.9 |
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Dielectric loss angle *10-4 |
1 |
|
|
Dielectric strength *106V/m |
15 |
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