High AL2O3 alumina ceramic tube
- 1 piece
- Xiamen Unipretec Ceramic Technology Co., Ltd.
- Fujian, China
- Mr Thomas Yang
Product Detail
Material Introduction
Alumina or alumina is a durable and exquisite industrial ceramic that is commonly used in a variety of processing applications. Grinding sintered alumina ceramics uses only diamond tools. Alumina ceramics exhibit abnormal hardness and wear resistance, as well as low corrosion, excellent electrical insulation and bioagility.Alumina (Al2O3) is a very thermally stable ceramic material with excellent temperature stability.
√High voltage insulator | √High purity, maximum. 99.8% | √ Various available levels |
√Hard and wear resistance | √High corrosiveness | √High mechanical strength |
√ Good thermal conductivity | √High working temperature | √The most favorable exquisite ceramics |
AL2O3 ceramics with purity of 95% to 99% are the most commonly used technical ceramics. Unipretec provides a variety of alumina ceramic shaping methods, including mold injection, compression, sliding casting, extrusion and cold-layered pressure application.
Alumina is used in a wide range of purity concentrations, ranging from ultrapure to additive grade levels. Although the purity of Al2O3 in the finished product is typically between 90% and 99.8%, Unipretec tends to be used with materials with 95% to 99.8%.
Product function
●Excellent electrical insulation ●
●Good thermal conductivity●
●Corrosion resistance and corrosion resistance●
●Heat shock resistance●
●High working temperature●
●Low thermal expansion●
● Very hard, wear-resistant ●
●High mechanical strength●
●Flexible custom production●
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Material characteristics
thing | unit | Alumina | A950 | Alumina | A990 |
Main content | - | 95% Al2o3 | 99%Al2o3 |
color | - | White/pink | ivory |
density | g/cm3 | 3.7 | 3.85 |
Vix hardness | GPA | 14 | 17 |
Bending strength | MPA | 310 | 360 |
Compressive strength | MPA | 2,200 | 2,500 |
Resistivity | ω·cm | > 1014 | > 1014 |
Dielectric strength | KV/mm | 15 | 17 |
Dielectric constant | 1 MHz | 8 | 9 |
Thermal conductivity | w/mk | 25 | 29 |
Maximum. Operating temperature | ℃ /°f | 1,500 / 2,730 | 1,650 / 3,000 |
Resistant to thermal shock | t(℃) | 210 | 230 |
Thermal expansion coefficient (25-1,000℃) | 10-6/k | 7-9 | 7-9 |
Δ provides the above data for reference and comparison, and the exact data will vary according to the manufacturing method and the part configuration.
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