Applications
Flexible EMI sealsWearable electronics componentsConnector bootsSoft RF interface parts
EMI Shielding and Absorbing
EMI shielding thermoplastic elastomer
TPU 95A EMI
TPU 95A EMI is a thermoplastic polyurethane shielding compound for flexible molded electronics components that need elastomeric movement with controlled surface conductivity. The dCNT-filled TPU delivers 44.5 dB/cm total shielding and 37.8 dB/cm absorbed shielding at 28 GHz, with 538.7% elongation at break, good surface finish, and low foreign particulate matter generation.
Properties
| Property | Value | Method or Context |
|---|---|---|
| Total shielding | 44.5 dB/cm | 28 GHz |
| Absorbed shielding | 37.8 dB/cm | 28 GHz |
| Surface resistance | 4.55E+05 ohm | ANSI STM11.11 |
| Elongation at break | 538.7 % | ASTM D412 |
| Shore hardness | 93.6 A | ASTM D2240 |
| Density | 1.146 g/cm3 | ASTM D792 |
Usage Guide
Processing
- Line card processing temperature: 200 C.
- Drying time: 12 hours at 80 C.
Qualification
- Final elastomer grade selection should consider compression set, tear strength, and required flexibility.
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