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>> Product Introduction
PET self-rolling braided sleeve is made of environmentally friendly PET and polyester yarn, with 1/4 diameter overlap, good flame retardant, wear resistance, heat dissipation, allowing it to be covered around online plugs, connectors and joints. Its inherent elasticity makes it easy to fold and bend, and its open design can be used on a
ny harness assembly, allowing wires to be added or removed without disassembly. It is conducive to protecting the modification, reinstallation, maintenance and overhaul of the internal harness.
>> Product Advantage
● Made of eco‑friendly PET multi‑filament yarn, stable 1/4 overlap self‑wrapping structure
● Wide working temperature:‑50℃ ~ 150℃, melting point 250℃±10℃
● UL94‑V0 flame retardant grade, outstanding abrasion‑resistance and heat dissipation
● Open self‑wrap design, tool‑free installation, convenient for harness rework & inspection
● Hot‑knife cutting for neat fray‑proof cutting end
● Custom colors and sizes acceptable for bulk‑volume orders
>> Technical Parameters
>> Technical Parameters
| Product Performance | Performance Indicators |
| Standard colors | Black / Orange |
| Material | PET Filament |
| Melting point | 250℃±10℃ |
| Working temperature | -50℃~150℃ |
| Flame retardant grade | UL94-V0 |
| Environmental standards | RoHS2.0 |
| Crop tool | Hot Knife |
| Specification (mm) | Inner diameter E (mm) | Standard packaging （M/R) |
| 3.2 | 3.2±1.0 | 200 |
| 4.8 | 4.8±1.0 | 100 |
| 6.4 | 6.4±1.0 | 100 |
| 8 | 8.0±1.0 | 100 |
| 9.5 | 9.5±1.0 | 100 |
| 12.7 | 12.7±1.5 | 100 |
| 16 | 16.0±1.5 | 100 |
| 19 | 19.0±1.5 | 50 |
| 22 | 22.0±2.0 | 50 |
| 25.4 | 25.4±2.0 | 25 |
| 31.5 | 31.5±2.0 | 25 |
| 38.1 | 38.1±2.0 | 25 |
| 50.8 | 50.8±3.0 | 25 |
>> Application Scenarios
● Automotive industry: protection for irregular‑shaped vehicle internal wire harness
● High‑speed rail & rail transit: rolling‑stock instrument and cable harness wrapping
● Communication equipment: wiring harness maintenance‑friendly cable protection
● Industrial automation equipment: flexible cable and instrument cable bundling & protection
● Flat wire harness & flexible tubing protection for machinery equipment
>> Selection Guide
● Measure the maximum outer diameter of bundled wire harness, select the sleeve inner diameter slightly larger than harness OD for good self‑closing wrapping effect.
● Confirm working ambient temperature shall be kept within‑50℃ ~150℃.
● Adopt hot‑knife cutting to avoid braided end fraying.
● Black & orange in stock; custom colors and dimensions are available for bulk‑volume orders.
>> FAQ
Q: What is the core advantage of PET braided self‑wrap sleeve?
A: Open self‑wrapping split‑open structure, you can add or remove wires without disconnecting finished cables, ideal for harness modification and maintenance.
Q: What about temperature resistance and flame retardant performance?
A: Working temperature‑50℃~150℃, flame retardant grade UL94‑V0, RoHS2.0 compliant.
Q: Will the braided end fray after cutting?
A: It requires hot‑knife cutting to seal braided edge and prevent fraying.
Q: Can custom colors or sizes be realized?
A: Yes, custom specifications are acceptable for bulk‑volume production orders.
Q: Which scenarios is this product mainly applied to?
A: Widely used in automotive, high‑speed‑rail transit, communication and automation equipment wire harness protection.
