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This is the single most repeated mistake in interior NVH sourcing. Both feel soft in the hand on the buying desk. Only one of them is still soft after a summer in a dashboard.
| PET fleece (napped woven) tape | Foam tape | Why it decides the order | |
|---|---|---|---|
| Recovery | Lofted fibres spring back after compression | Takes a permanent compression set | This is the whole comparison. Once foam is crushed flat it stops damping and the rattle returns. |
| Life in a dashboard | Keeps damping across heat cycles | Often noisy again within a season | Warranty claims for 'the noise came back' usually trace to foam. |
| Temperature | PET backing handles sustained interior heat (80 °C+ in sun) | Depends heavily on the foam; cheaper foams soften | A dashboard in summer is not a mild environment. |
| Thickness | Thin, wraps a loom without bulking it | Bulky; can wedge a loom against the panel | Bulk can itself create a new contact point. |
| Wrapability | Wraps and conforms around a harness | Usually applied as pads or strips | Fleece is the one you can run down a whole branch. |
| Cost | Higher per roll | Lower per roll | Rework after the noise returns costs far more than the roll difference. |
For a harness or trim contact point that has to stay quiet for the life of the vehicle, buy PET fleece. Foam is defensible only for a one-off repair or a cosmetic pad that nobody will revisit.
Not sure which side your application falls on? Send EJOY the temperature, the media and the width you need — we will say which grade applies and ship free samples before you commit to volume.
Foam takes a compression set: once it is crushed between two parts it does not spring back, so it stops absorbing movement and the rattle returns. A napped PET fleece keeps its recovery, which is the property to ask for evidence on.
19 mm covers most trim clips and contact points; 9 mm is usual for wire looms behind the dash. Tell EJOY the contact point and we recommend a width and send samples.
Yes. EJOY supplies PET fleece tape at production volume with custom width and colour. Send annual volume and target date for MOQ and lead time.
Napped woven PET fleece wrap that cushions the wire-harness contact points behind interior trim — also searched as felt, flock or anti-squeak tape.
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The core wrap for OEM & Tier-1 automotive wiring harnesses — bundling, protection, noise damping.
ExploreOr start from your constraint — temperature, media or requirement →