
TwistNyl Y421
Self-wrapping sleeve designed for quick and effortless wire harness bundling. Made from a combination of monofilament and multifilament polyester yarns, this sleeve offers flexibility and light weight. The polyester construction addresses common issues associated with trapped heat and moisture while preventing operator skin irritation during assembly. TwistNyl Y421's unique design allows for easy breakouts and installation over completed assemblies.

standard sizes available
Nominal Diameter: 5mm to 38mm
Recommended Application Range: Minimum 5 mm / Maximum 38 mm
TECHNICAL INFORMATION
Abrasion Resistance: Tested according to ISO 6722-1
Operating Temperature: 150º C
Flammability: Approved (FMVSS 302)
Cold Flexibility: -40º C
Resistance to Automotive Fluids: Yes

Construction:
Key Applications:
Warp Yarns: Polyester (PET) monofilament and multifilament
Weft Yarn: Polyester (PET) monofilament
TwistNyl Y421 is ideal for various applications requiring flexibility, light weight, and abrasion protection. Key applications include:
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Body harnesses
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Instrument panel harnesses
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Engine compartment harnesses
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Modular harnesses
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Tubing



