Roundit EMI XWS C4: Advanced EMI Shielding for Cable Bundles

ROUNDIT® EMI XWS C4 is a high-performance wrap-around sleeving specifically designed for EMI shielding of wire and cable bundles. This innovative cable protection solution is made from PPS monofilaments combined with C4 nickel-plated copper wire, and features an internal layer of PTFE tape to prevent direct metal contact with wire harnesses.

Quick Installation Thanks to Self-Wrapping Design

Thanks to its smart self-wrapping structure, Roundit EMI XWS C4 is easy and quick to install and remove. This makes the product particularly well-suited for applications requiring regular maintenance or inspection. Breakout areas are also optimally protected.

Flexible Application and Efficient Inventory Management

The unique geometry and metallic insert make Roundit EMI XWS C4 compatible with existing clamp solutions. Additionally, the design allows a wide range of cable and wire diameters to be covered with a limited number of sizes — ideal for efficient inventory optimization.

Applications in Aerospace and Defense

ROUNDIT EMI XWS C4 is engineered for use in demanding sectors such as the aerospace and defense industries, where reliable EMI shielding and mechanical protection are critical.

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Features Federal Mogul Roundit EMI XWS C4

  • Ideal for reworking components without disconnecting them

  • High-performance EMI shielding

  • Self-wrapping design

  • ASD EN 4674-003

  • Romax = 5 mΩ

  • RoHS Compliant

  • Strain relief

  • Lt = 2 nH

  • Halogen-free

Product Overview Roundit EMI XWS C4

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Type Number Bundle Diameter Max Weight g/m Packaging
ROUNDIT EMI C4 XWS B 5-8 1 – 5mm 50g 200m
ROUNDIT EMI C4 XWS B 8-8 5 – 8mm 54g 150m
ROUNDIT EMI C4 XWS B 13-8 8 – 13mm 67g 125m
ROUNDIT EMI C4 XWS B 16-8 13 – 16mm 72g 75m
ROUNDIT EMI C4 XWS B 19-8 16 – 19mm 93g 75m
ROUNDIT EMI C4 XWS B 25-8 19 – 25mm 122g 75m
ROUNDIT EMI C4 XWS B 32-8 25 – 32mm 160g 50m
ROUNDIT EMI C4 XWS B 38-8 32 – 38mm 187g 35m
ROUNDIT EMI C4 XWS B 45-8 38 – 45mm 205g 35m

Certifications/Approvals ROUNDIT EMI C4

Options Test Result
Rapid Temperature Change EN 6059-308 Passed
Flammability/Smoke/Toxicity ABD 031 & FAR 25 § 853 Compliant
Dynamic Cutting EN 6059 Part 405 Passed
Bending EN 6059 Part 402 Passed
Vibrations EN 6059 Part 406 Passed
Fluid Resistance
– Aircraft Fuel JP4 (NATO F44)
– Hydraulic Fluid Skydrol 500 B4
– Mineral Oil MIL-L-7870A
– Synthetic Oil MIL-L-23699
– Cleaning Fluid MIL-L-87936
– De-icing Fluid MIL-A-8243		 EN 6059-33 Good Resistance
Salt Spray Resistance EN 2591-307 for 96h Passed
Mold Growth EN 6059 Part 306 Passed
Resistance Measurement EN 3475-301 Ro max = 5mΩ all sizes
except 5 = 6mΩ
Transfer Impedance IEC 62153-4-3 Triaxial Method Lt = 2 nH Passed
Light EN 2591-214
Waveform 1 5KA		 Passed

We are happy to help you make the right choice

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