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Product Description
 | Alumina ceramic: Alumina ceramics have high hardness, high wear resistance, excellent electrical insulation and chemical stability, good heat resistance, excellent dielectric properties. |
al2o3 ceramic: 1) High purity: Al203> 99%, Good chemical resistance 2) Good temperature resistance: Long-term use in 1600°C, short-term in 1800°C |  |
 | Alumina advantages: It is specifically used for high temperature and high pressure insulation parts, circuit substrates, high temperature devices, mechanical wear-resistant parts ect. |
Application of al2o3 rings:it is widely used, mainly used in semiconductors, machinery, electrical appliances , petrochemical, textile and other industries. |  |
Alumina Purity | 92% | 95% | 96% | 99% | 99.6% |
Color | White | White
| White
| Ivory White
| White |
Volume density(g/cm3) | 3.45 | 3.5 | 3.7 | 3.75 | 3.9 |
Water Absorption | 0 | 0 | 0 | 0 | 0 |
Flexural Strength | 300MPa | 300MPa | 320MPa | 330MPa | 330MPa |
Vickers hardness | 1300 | 1400 | 1400 | 1800 | 1800 |
Dielectric Constant (at 1MHZ 25℃) | 10 | 10 | 10 | 10 | 10 |
Modulus of elasticity | 350GPa | 350GPa | 350GPa | 370GPa | 370GPa |
thermal conductivity (30℃) | 18W/(m·K) | 24W/(m·K) | 24W/(m·K) | 25W/(m·K) | 28W/(m·K) |
Volume resistivity | 1014Ω•cm | 1014Ω•cm | 1014Ω•cm | 1014Ω•cm | 1015Ω•cm |
Dielectric strength | 20KV/mm | 20KV/mm | 20KV/mm | 20KV/mm | 30KV/mm |
Company Profile
Packaging & Shipping
Packing Details | We will packing by professional export packing,safety against breakage, finally into the wooden cases/ carton/pallet or customized package. We have ERP authentication. |
Delivery Details | We can deliver by SEA,air,rail transportation,the China-Europe Railway Express etc. TNT, DHL,UPS, FEDEX, EMS，S.F EXPRESS etc. |
| 1. Sample service | 2. Optimal price | 3. Customized logo |
| 4. Fast feedback | 5. Customized size | 6. Safety package |
| 7. ISO9001 | 8. Aftersale service | 9. Low procurement risk |
