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SW2203 is made by hybrid braiding of polyester monofilaments and multifilaments. This product can effectively reduce noise generated by wire harness vibration and it’s good wear resistance helps prolong the service life of wire harnesses. Meanwhile, it’s lightweight design can reduce the burden on the vehicle body.
The Sound Absorption Self-closing Wrap-SW2203 is a hybrid-braided wire harness protection sleeve engineered for applications where vibration-induced noise is a persistent operational concern. Manufactured from a hybrid braid of polyester monofilaments and multifilaments, SW2203 delivers a flexible, conforming body that absorbs vibration energy along the harness length rather than transmitting it to adjacent panels and brackets. Unlike conventional wiring loom tape or rigid conduit, SW2203 combines physical harness protection with active noise attenuation in a self-closing format suited for automotive engine compartments, new energy vehicle high-voltage routing, and industrial automation wire management.
Engineers specifying a harness sleeve for noise-critical routing zones should verify that the operating range covers the full thermal envelope of the installation location. SW2203 is rated for continuous use from -40°C to 150°C, spanning low-temperature installation environments and sustained high-temperature zones found in engine compartment harness routing.
From practical experience working on harness protection projects, low-temperature performance is the parameter teams most frequently underestimate at the selection stage. Projects that skip cold-bend verification have encountered material brittleness during winter installation — the sleeve cracking under sub-zero mechanical stress only after delivery to site. SW2203's polyester hybrid braid maintains adequate flexibility at low temperatures; for arctic installation scenarios, confirming the minimum actual temperature before full commitment is a recommended step.
The product completed heat ageing at 175°C for 240 hours with no recorded damage, providing evidence of long-term thermal stability under sustained high-temperature exposure.
| Part No. | Nominal I.D. (mm) | Applicable Range (mm) | Reel Length (m/reel) |
|---|---|---|---|
| SW22031001 | 10 | 10–11 | 100 |
| SW22031301 | 13 | 12–14 | 100 |
| SW22031601 | 16 | 15–17 | 100 |
| SW22031901 | 19 | 18–22 | 50 |
| SW22032501 | 25 | 23–28 | 50 |
| SW22033201 | 32 | 29–35 | 25 |
Six nominal diameters cover Φ10 mm to Φ32 mm, accommodating wire bundle diameters from 10 mm to 35 mm. Cut-to-length service and non-standard sizes are available on request.
A common misconception: many buyers assume a larger nominal diameter delivers better harness protection. In reality, braiding density, fiber tensile properties, and the conformance fit between sleeve and bundle are the true performance drivers. An oversized sleeve shifts relative to the harness, generating friction rather than suppressing it.
The self-closing construction of the Sound Absorption Self-closing Wrap-SW2203 allows the sleeve to be opened longitudinally, placed over a fully assembled wire harness, and released — without threading the harness through a closed tube or applying wiring loom tape for closure. This reduces assembly cycle time on high-volume production lines and enables post-installation access for maintenance or rerouting without cutting the sleeve, a practical advantage over bonded or taped formats that require full re-application after harness access.
SW2203's braided polyester matrix absorbs the micro-vibration cycles generated during vehicle or equipment operation, converting harness kinetic energy into heat within the fiber structure rather than transmitting it as structure-borne sound. This acoustic function supports NVH optimization programs where harness-to-bracket rattling contributes to measurable cabin noise levels on passenger vehicles, commercial vehicles, and industrial equipment.
Wire harnesses in engine compartments and chassis zones face continuous contact with brackets, clips, and structural components throughout the vehicle service life. SW2203's braided construction provides an abrasion barrier that reduces insulation wear-through risk from long-term chafing. Harnesses protected at installation are less likely to require mid-life repairs in difficult-to-access routing zones.
SW2203 adds no functionally significant weight or volume to the wire harness after wrapping. In new energy vehicle development programs tracking cumulative harness network weight, this automotive wiring harness sleeve offers a weight advantage over alternatives such as metal braid or multi-layer tape builds. The lightweight characteristic is relevant for high-voltage harness routing where every gram of protection material is evaluated against vehicle weight targets.
Engine compartment harnesses simultaneously face thermal stress, mechanical vibration, and abrasive contact — a combination few single-layer protection products address in full. SW2203's -40°C to 150°C operating range combined with noise suppression and abrasion resistance addresses these requirements in a single wrap. The self-closing format supports installation in constrained routing paths where threading a closed sleeve after assembly is impractical. For Tier 1 suppliers referencing NVH targets in harness specifications, the Sound Absorption Self-closing Wrap-SW2203 provides a documentable noise-reduction function beyond passive mechanical protection.
Precision wire harnesses in automated manufacturing equipment operate under continuous mechanical motion, servo vibration, and thermal cycling. SW2203 provides an alternative to wiring loom tape for cable management in robotic systems and automation cells, delivering noise attenuation and abrasion protection without adhesive residue, bonding failures, or periodic re-taping. The self-closing construction allows harnesses to be accessed, inspected, and re-protected without removing the full protection layer.
The manufacturing site producing SW2203 is certified to ISO 9001, IATF 16949, ISO 14001, ISO 45001, and military standard GJB9001C. IATF 16949 confirms systematic quality management covering process control, batch consistency, and customer-specific requirements — a baseline qualification for automotive Tier 1 supply chain entry. Product test reports are available on request.
When specifying SW2203, confirm three parameters before selecting a part number: the actual assembled bundle diameter matched against the applicable range column, the peak and sustained operating temperature at the routing location, and whether the installation suits a self-closing format. For non-standard sizes, cut-to-length service, or qualification documentation support for supply chain entry, contact the technical team with bundle details, operating environment data, and applicable quantity.
SW2203 is made by hybrid braiding of polyester monofilaments and multifilaments. This product can effectively reduce noise generated by wire harness vibration and it’s good wear resistance helps prolong the service life of wire harnesses. Meanwhile, it’s lightweight design can reduce the burden on the vehicle body.
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