| Customization: | Available |
|---|---|
| Color: | Creamy |
| Shape: | Boat, Crucible |
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CUSTOMIZED ALUMINA CRUCIBLE FOR CHEMICAL APPLICATION
Alumina crucibles' features:
1, High purity: Al2O3> 99%, good chemical corrosion resistance
2, Good temperature endurance, long-term use at 1600 °C, 1800 °C short-term
3, Good rapid thermal shock resistance, not easy to burst
4 , Slip Casting with high density
Product Description:
Arc Straight alumina ceramic crucibles' basic functions:
Name: straight alumina crucibles
Chemical Composition Al2O3 ≥ 99
R2O ≤ 0.2
Fe2O3 ≤ 0.1
SiO2 ≤ 0.2
Volume density (g/cm2) ≥ 3.80
Apparent porosity (%) <1
Bending strength (Mpa)> 350
Compressive strength (Mpa)> 12000
Dielectric constant Σ (1MHz) 2
The highest operation temperature (°C) 1800
Best roast container for making powder TV, rare earth materials, precious metals, and roasting high, medium and low ceramic capacitors, NTC, PTC piezoelectric ceramic and lithium cobalt oxide, lithium manganese oxide powder.
| Material | Unit | Steatite | 95% alumina ceramics | 99.5% alumina ceramics |
| Density | G/cm3 | 2.7 | 3.65 | 3.85 |
| Highest application temperature | °C | 1100 | 1500 | 1800 |
| Bending strength | Mpa | 150 | 300 | 340 |
| Compressive strength | Mpa | 900 | 3400 | 3600 |
| Hardness | HV0.5 | 800 | 1800 | 2000 |
| Insulation breakdown strength | KV/mm | 10 | 15 | 18 |
| Processing technology | ||||
| Process range(mm) | ||||
| Outside Diameter | 1-300 | |||
| Inside Diameter | 0.5-300 | |||
| Length | 0.5-1200 | |||
| Accuracy of working(mm) | ||||
| Perpendicularity | 0.01 | |||
| Concentricity | 0.01 | |||
| Roundness | 0.005 | |||
| Straightness | 0.005 | |||
| Parallelism | 0.01 | |||
| Planeness | 0.005 | |||
| Roughness | 0.05 | |||
| Fit clearance | 0.005 | |||
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