alumina ceramic tube ceramic tube amplifier axial lead ceramic tube fuse ceramic tube definition alumina tube diameter
alumina ceramic tube ceramic tube amplifier axial lead ceramic tube fuse ceramic tube definition alumina tube diameter
product name:Industrial alumina ceramic tube
Aluminum oxide ceramics are high-purity aluminum oxide products with excellent physical properties and chemical stability. The following are the performance characteristics and applications of alumina ceramics:
1. Good insulation performance: Aluminum oxide ceramics have excellent insulation performance, can withstand high voltage and high frequency electric fields, and can be used to manufacture high-voltage capacitors, dielectric materials, etc.
2. Good chemical stability: Aluminum oxide ceramics have good chemical stability and can resist corrosion from acids, alkalis, solvents, etc. They are widely used in chemical, medical, biological and other fields.
3. Easy to process and shape: Aluminum oxide ceramics can be formed through processes such as pressing, grouting, and spraying to produce various shaped components. For example, they can be used to manufacture ceramic cutting tools, ceramic seals, etc.
Aluminum oxide ceramics have a wide range of applications in industries, scientific research, military and other fields. For example, in automobile manufacturing, alumina ceramics can be used to manufacture wear-resistant components such as brake pads and clutch plates; In the aerospace field, alumina ceramics can be used to manufacture high-temperature engine nozzles, turbine blades, etc; In the medical field, alumina ceramics can be used to manufacture dentures, bone implants, etc; In the chemical industry, alumina ceramics can be used to manufacture reaction vessels, mass transfer equipment, and so on.
Physicochemical indexes of alumina solid rod:
| Item | Unit | Typical Values |
| Physical Properties | ||
| Colour | Ivory | |
| Density | g/cm3 | 3.85 |
| Alumina Content | % | 99% |
| Gas Permeability | 0 | |
| Water Absorption | % | 0% |
| Physical Properties | ||
| MONS’Hardness | 82 | |
| Vickers Hardness(Hv50) | Gpa(kg/mm2) | 15.7(1600) |
| Flexural Strength(20℃) | Mpa | 330 |
| Compressive Strength(20℃) | Mpa | 2000 |
| Fracture Thoughness(20℃) | Mpam1/2 | 4 |
| Thermal Properties | ||
| Thermal Conductivity(20℃) | W/(m.k) | 27.5 |
| Thermal Expansion Coeffcient | 10-6/℃ | 7.6 |
| Thermal Shock Resistance | △T℃ | 200 |
| Maximum Use Temperature | ℃ | 1650 |
| Electrical Properties | ||
| Dielectric Strength | KV/mm | ＞12 |
| Dielectric Conatant | ε0 | 9-10 |
| Dielectric Loss Angle(1MHz) | 0.0002 | |
| Volume Resistivity(20℃) | Ω.cm | ＞1014 |
Company workshop equipment:
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.