KE-501EM-U series/KE-5550-U series
The KE-501EM-U and KE-5550-U series provide vibration dampening for automotive applications, etc. and perform well over a wide range of temperatures.
Parameter  Product name |
KE-501EM-U | KE-5550-U | KE-551-U |
|---|---|---|---|
Type |
Low dynamic magnification | High decrement | General purpose |
Density at 23°C ｇ/cm3 |
1.10 | 1.25 | 1.14 |
Hardness Durometer A |
53 | 50 | 56 |
Tensile strength MPa |
8.3 | 9.0 | 11.2 |
Elongation at break % |
550 | 710 | 530 |
Tear strength Crescent piece kN/m |
28 | 35 | 17 |
Rebound resilience % |
74 | 21 | 65 |
Viscoelasticity (Temperature: Room temperature/Frequency: 30 Hz/Displacement: 400 µm) |
|||
E' MPa |
4.22 | 5.67 | 5.10 |
tan δ |
0.07 | 0.39 | 0.11 |
Dynamic magnification |
|||
E' at 0.1 Hz, 400 µm MPa |
3.66 | 4.07 | 4.48 |
E' at 100 Hz, 50 µm MPa |
4.56 | 11.41 | 6.36 |
Dynamic magnification: E' 100/E' 0.1 |
1.25 | 2.80 | 1.42 |
Curing agent |
C-15/1.5 phr | C-8/2.0 phr | C-15/1.5 phr |
Curing condition: Press cure 165°C × 10 min + Post cure 200°C × 4 h
