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| Price | 10USD/PC |
| MOQ | 1 PC |
| Delivery Time | 5-8 work days |
| Brand | ZG |
| Place of Origin | China |
| Certification | CE |
| Model Number | MS |
| Packaging Details | Strong wooden box for Global shipping |
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 1000 PCS |
| Brand Name | ZG | Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Place of Origin | China | Price | 10USD/PC |
| Delivery Time | 5-8 work days | Minimum Order Quantity | 1 PC |
| Packaging Details | Strong wooden box for Global shipping | Model Number | MS |
| Supply Ability | 1000 PCS | Certification | CE |
99% Alumina parts
Alumina ceramic is a type of wear-resistant technical ceramic that provides excellent mechanical and electrical performance. Alumina ceramic features high hardness, wear resistance, low erosion, high temperature resistance, corrosion resistance, and biocompatibility. It is often made into valve seats, semiconductor device parts, insulators, etc. Junjie provides various types of alumina microporous ceramic suction cups, wafer handling arms, and semiconductor equipment components for the semiconductor industry.
Material properties
| 95Alumina | 99Alumina | 997Alumina | 998Alumina | |
| Color | White | Beige | Beige | Beige |
| Mechanical properties | ||||
| Density(g/cm²) | 3.7 | 3.9 | 3.9 | 3.9 |
| Compressive strength(MPa) | 2500 | 2450 | 2500 | 2600 |
| Tensile strength | / | / | 150 | / |
| Flexural strength(MPa) | 380 | 310 | 400 | / |
| Fracture toughness(MPam) | 3 | 3.5 | 3.5 | / |
| Vickers hardness(GPa) | 13.7 | 15.2 | 17.2 | 18 |
| Young's modulus(Pa) | 300 | 350 | 370 | 360 |
| Poisson's ratio | 0.23 | 0.23 | 0.23 | 0.23 |
| Thermal properties | ||||
| Thermal conductivity@25℃ | 2Ω | 2Ω | 3Ω | 3Ω |
| Thermal expansion@25-300℃(*10) | 7.2 | 7.2 | 6.5 | 7.2 |
| Thermal expansion@25-700℃(*10) | 7.9 | 7.9 | 7.5 | 8.0 |
| Electrical performance | ||||
| Dielectric constant@25℃(1MHz) | 9.0 | 9.2 | 9.9 | 9.7 |
| Dielectric strength | 50 | 20 | 285 | 14 |
| Dielectric loss | 2.6 | 2 | 0.0001 | 1 |
| Volume resistivity@ 25℃(Ωcm) | 10*14 | 10*14 | 10*14 | 10*14 |
| Volume resistivity@ 500℃(Ωcm) | / | / | 2*10*10 | / |
| Volume resistivity@ 1000℃(Ωcm) | / | / | 2*10*4 | / |
