
PRODUCT
AlN Structural Parts
More than 10 million of our products have been used in the global power transmission and distribution field

Hotline:
Advantages
• Excellent electrical performance
• Air tightness
• High sealing strength
• High reliability
Performance parameter
SN | Performance Name | Test conditions and units | 96 alumina porcelain | 97 alumina porcelain | 99 alumina porcelain | 99.6 Alumina porcelain |
1 | Content of main components | Al2O3≧95% | Al2O3≧97% | Al2O3≧99% | Al2O3≧99.6% | |
2 | Machinable size | Min Max in mm | 0.5-500 | 0.5-500 | 0.5-500 | 0.5-500 |
3 | Highest precision of machinable dimension | Micron | 10 | 10 | 10 | 10 |
4 | bulk density | Room temperature, g/cm3 | ≧3.67 | ≧3.70 | ≧3.85 | ≧3.90 |
5 | Flexural strength | Room temperature, MPa | ≧300 | ≧300 | ≧350 | ≧400 |
6 | compressive strength | Room temperature, GPa | ≧1.8 | ≧1.8 | ≧2.0 | ≧2.3 |
7 | Thermal conductivity | W/m.K | 10-20.0 | 10-20.0 | 15-21.0 | 15-21.0 |
8 | Average linear expansion coefficient | (20~500)℃,/℃ | 7.36×10-6 | 6.9×10-6 | 6.9×10-6 | 6.9×10-6 |
9 | Dielectric constant | 20℃ | 9.1 | 9.5 | 9.8 | 10 |
10 | Tangent value of dielectric loss angle | 20℃ | ≦4×10-4 | ≦3×10-4 | ≦2×10-4 | ≦2×10-4 |
11 | Volume resistivity | 100℃, Ω.cm | ≧1×1014 | ≧1×1014 | ≧1×1014 | ≧1×1014 |
12 | DC breakthrough strength | KV/mm | ≧30 | ≧35 | ≧25 | ≧25 |
13 | thermal shock resistance | ℃ | Room temperature~800 | Room temperature~800 | Room temperature~600 | Room temperature~350 |
14 | Maximum operating temperature | ℃ | ≦1300 | ≦1400 | ≦1500 | ≦1500 |
15 | Acid resistance | sure | good | very good | very good | |
16 | Alkali resistance | commonly | sure | good | very good | |
17 | Degree of difficulty in metallization | easily | Can do | Difficult to do | It's hard to do | |
18 | Air tightness | Pa•m3/s | ≦1×10-11 | ≦1×10-11 | ≦1×10-10 | ≦1×10-9 |
Application area
Electrical equipment
key word:
AlN Structural Parts
Latest products
Online Message
CONTACT

Add:No.228, Zhujiang South Road, Tianyuan District, Zhuzhou City, Hunan Province

QR Code of WeChat Social