Appearance |
Washer type |
Collar type |
Flange type |
Ceramics (Alumina 95) |
Feature distinguish | Unit | Alumina 99 | Alumina 95 | Zirconia | Steel S45C | |||||
Insulation breakdownstrength | KV/mm | 18 | 16 | 15 | - | |||||
Volume resistivity | Ω-cm | >1012 | >1012 | >1012 | - | |||||
Bending strength | KN/cm2 | >35 | >29 | >110 | - | |||||
Compressive strength | KN/cm2 | 300 | 250 | 250 | - | |||||
Expansion | 1/℃ | 8X10-6 | 7.8X10-6 | 10X10-6 | 13.6 | |||||
Thermal conductivity | W/m.K | 31 | 22 | 3 | 52 | |||||
Heat resistance | ℃ | 1500 | 1400 | 1500 | - | |||||
Water absorption | % | 0 | 0 | 0 | 0 | |||||
Proportion | g/cm5 | 3.85 | 3.6 | 5.9 | 7.8 | |||||
Hardness | HV | 1700 | 1600 | 1400 | 130 | |||||
Main material | - | A1203(>99%) | A1203(>95%) | ZrO2(>94%) | S45C | |||||
Reference:Table of information is the average value of the material. |
Washer type A | Collar type B | Flange type F | |||||||||
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d | L | D |
| d | L | D |
| d | L | D | H |
3 | 3 | 10 |
| 3 | 5~50 | 6 |
| 3 | 10、15 | 6 | 10 |
4 | 3 | 12 |
| 4 | 5~50 | 8 |
| 4 | 10、15 | 8 | 12 |
5 | 3 | 15 |
| 5 | 5~50 | 10 |
| 5 | 10、15 | 10 | 15 |
6 | 3 | 20 |
| 6 | 5~50 | 10 |
| 6 | 10、15 | 10 | 20 |
8 | 3 | 25 |
| 8 | 5~50 | 12 |
| 8 | 10、15、20 | 12 | 25 |
10 | 3 | 30 |
| 10 | 5~50 | 14 |
| 10 | 10、15、20 | 14 | 30 |