Description
The Alumina crucible features high fusion point, high hardness, good compactness, wear resistance, good chemical stability, meanwhile has high frequency and microwave electric insulation characteristics. It’s kind of common general lab accessories.
Features
High purity, good chemical resistance
Good temperature resistance, normal in 1600℃, short-term 1800℃
Not easily to broken
High density with slip casting
Arc crucible volume: 5ml,10ml,15ml,20ml,30ml,50ml,100ml,150ml,200ml,300ml, 500ml, 750ml, 1000ml
Technical specifications
| Name | Alumina crucible | |
| Chemical element | Al2O3 | ≥99 |
| R2O | ≤0.2 | |
| Fe2O3 | ≤0.1 | |
| SiO2 | ≤0.2 | |
| Volume density（g/cm2） | ≥3.80 | |
| Apparent porosity（%） | ＜1 | |
| Bending strength（Mpa） | ＞350 | |
| Compression strength（Mpa） | ＞12000 | |
| Dielectric Constant ∑（1mhz） | 2 | |
| Max operation temperature（℃） | 1800 | |
| Volume (cc) | upper O.D.(mm) | Lower O.D. (mm) | Height | Wall thickness | Net weight |
| 5 | 25 | 15 | 28 | 1.3 | 0.01 |
| 10 | 29 | 18 | 34 | 1.5 | 0.02 |
| 15 | 32 | 21 | 37 | 1.5 | 0.025 |
| 20 | 36 | 23 | 41 |
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