Roundit EMI DW: Effective EMI Protection for Electrical Systems
Roundit EMI DW is a protective sleeve used to reduce electromagnetic interference (EMI) in electrical and electronic systems. EMI can cause disruptions, noise, and interruptions in signal transmission, leading to performance issues in sensitive equipment.
Technical Features of Roundit EMI DW
The sleeve is constructed from a braided design using UL 94 V0-rated PPS monofilaments, copper wire, and a thermoplastic polymer coating. This design makes the Roundit EMI DW flexible, easy to install, and resistant to high temperatures, chemicals, and UV exposure.
Applications in Industrial and Military Environments
Roundit EMI DW meets military standards (ASTMB-355) for electromagnetic compatibility and is used in sectors such as railway, aerospace, offshore, marine, and defense. The sleeve also provides protection against electrostatic discharge (ESD), making it a reliable choice for demanding applications.

Features of the Federal Mogul Roundit EMI DW
Product Overview Roundit EMI DW
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| Part Number | Bundle Diameter | Nominal Size | Packaging |
|---|---|---|---|
| ROUNDIT EMI DW 19-8 | 13 – 19mm | 19mm | 50m |
| ROUNDIT EMI DW 25-8 | 19 – 25mm | 25mm | 50m |
| ROUNDIT EMI DW 32-8 | 25 – 32mm | 32mm | 50m |
| ROUNDIT EMI DW 45-8 | 32 – 45mm | 45mm | 35m |
Certifications/Approvals Roundit 2000 EMI DW
Options |
Test |
Result |
|---|---|---|
| Operating Temperature | -50…+200°C | |
| Heat Aging | EN 659-302 (168h) | +200°C |
| Fire / Smoke / Toxicity | UL 94 EN 45545 |
Material classified V0 R22: HL3 R23: HL3 |
| Nickel-plated Copper | ASTM B-355 | Nickel-plated copper |
| Fluid Resistance – Hydraulic fluid NATO.0.156 |
EN 6059-303 Immersion for 24h at +70°C D47 1924 |
No visible degradation after exposure |
| Salt Spray Resistance | EN2591-307-96h | Passed |
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