Alumina Ceramic Crucible High Refractoriness Customization Shape Industry Usage
| Attribute | Value |
|---|---|
| Color | Yellow or White |
| Shape | Customizable |
| Usage | Industrial Applications |
| Origin | Wuxi, Jiangsu, China |
| MOQ | 100 PCS |
| Package | Carton |
Alumina Ceramic Crucible - High-Temperature Kiln Essential
Crafted from premium refractory clay, alumina ceramic crucibles serve as critical protective vessels in ceramic firing processes. These specialized containers leverage the exceptional thermal stability of refractory materials to safeguard ceramic ware throughout high-temperature kiln cycles.
The crucible's composition ensures dimensional integrity under extreme heat while creating a protective barrier against atmospheric contaminants and reactive gases that could compromise ceramic quality.
This reliable thermal shielding allows for consistent firing results by preventing surface defects and structural damage to delicate ceramic pieces during their most vulnerable high-temperature phase.
| Material | Unit | A95% Alumina Ceramics | A97% Alumina Ceramics | A99% Alumina Ceramics | A99.7% Alumina Ceramics |
|---|---|---|---|---|---|
| Density | g/cm³ | 3.6 | 3.72 | 3.85 | 3.85 |
| Flexural Strength | Mpa | 290 | 300 | 350 | 350 |
| Compressive Strength | Mpa | 3300 | 3400 | 3600 | 3600 |
| Modulus of Elasticity | Gpa | 340 | 350 | 380 | 380 |
| Impact Resistance | MPam1/2 | 3.9 | 4 | 5 | 5 |
| Weibull Modulus | M | 10 | 10 | 11 | 11 |
| Vickers Hardulus | HV0.5 | 1800 | 1850 | 1900 | 1900 |
| Thermal Expansion Coefficient | 10-6K-1 | 5.0-8.3 | 5.0-8.3 | 5.4-8.3 | 5.4-8.3 |
| Thermal Conductivity | W/Mk | 23 | 24 | 27 | 27 |
| Thermal Shock Resistance | △T℃ | 250 | 250 | 270 | 270 |
| Maximum Use Temperature | ℃ | 1600 | 1600 | 1650 | 1650 |
| Volume Resistivity at 20℃ | Ω | ≥1014 | ≥1014 | ≥1014 | ≥1014 |
| Dielectric Strength | KV/mm | 20 | 20 | 25 | 25 |
| Dielectric constant | εr | 10 | 10 | 10 | 10 |
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