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Pressure rail PVC zipper sleeve PVC

Pressure rail PVC zipper sleeve is made of polyvinyl chloride by hot-melt extrusion. It has the characteristics of flame retardancy, easy installation and small size.It is mainly used in automotive wiring harnesses (main line of truck chassis line), medical wiring harnesses, office wiring harnesses and other fields. Since its development, the product has been highly recognized by truck OEM.
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>> Product Introduction

PVC zipper sleeve is a wiring harness management tube made of polyvinyl chloride (PVC) material, specially designed to organize and protect messy bundled wires. In electronic equipment, automobile and electrical system applications, dense and disordered cables may cause potential safety hazards and signal interference; this PVC zipper sleeve can effectively arrange and shield wiring harnesses.

The product features excellent flexibility, waterproof performance, abrasion resistance and insulation. It is divided into closed type and zipper type, with two temperature resistance options: standard grade (80℃ heat resistance) and high temperature grade (105℃ heat resistance).

Standard sizes cover Φ20, Φ30, Φ40, Φ50, with matched thickness, width and unit weight as shown on specification sheet, standard packing 50 meters per roll. All standard sizes are in stock, customized non-standard specifications are acceptable for bulk orders.



>> Technical Parameters

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Item Test Standards Technical indicators
density GB/T 1033 1.30±0.05
Shore Hardness ASTM D2240 95±2A
Tensile Strength GB/T 1040.3 >15MPa
Elongation at break GB/T 1040.3 >60%
Short-term heat aging test 125℃*240h No brittleness, no powdering
Long-term thermal aging test 85℃*3000h No brittleness, no powdering
Low temperature bending test -30℃*24h No brittleness
Pull-off force test >100N No loosening
Wear test ISO 6722-1 Level 8
Flame retardant test GB/T 2408 V-2
UV resistance test UL 1581-2020 720h No brittleness, no powdering
Environmental testing RoHS2.0 Pass
Specification
(mm)
Inner diameter
(mm)
Expanded Width
(W)
Wall thickness
(mm)
Color
Φ20 ≥20 mm 65+10/-5 0.5+0.2/-0.1 Black
Φ30 ≥30 mm 105+10/-5 0.5+0.2/-0.1 Black
Φ40 ≥40 mm 135+10/-5 0.55+0.2/-0.1 Black
Φ50 ≥50 mm 168+10/-5 0.6+0.2/-0.1 Black


>> Core Advantages

  • Premium PVC raw material, flexible bending without cracking, long-term abrasion resistant for wiring harness protection.

  • Excellent waterproof & insulating performance, effectively avoid short circuit and signal interference caused by messy wires.

  • Two temperature grades optional: standard 80℃ and high temp 105℃, fit different working environment demands.

  • Zipper split design, easy to install and maintain finished wiring harness without disconnecting cable terminals.

  • Complete size range Φ20~Φ50 in stock, stable packing of 50m/roll, custom dimensions supported for bulk orders.


>> Applications

  • Automotive Industry: Sorting and protection of car engine, dashboard and interior wiring harness.

  • Electronic Equipment: Cable finishing for industrial control equipment, household appliances and cabinet wiring.

  • Electrical System: Organize power and signal wires to reduce safety risks and electromagnetic interference.

  • Equipment Refitting: Quick cable renovation for machinery, audio and monitoring devices.


>> Selection Guide

  • Measure the maximum outer diameter of bundled cables, select tube inner diameter 2~3mm larger for easy wrapping.

  • Choose temperature grade: standard 80℃ for indoor normal environment, high temp 105℃ for high heat working areas.

  • Standard sizes Φ20~Φ50 packed 50m/roll, custom specifications available upon bulk demand.

>> FAQ

Q1: What temperature grades does this PVC zipper sleeve have?

A1: Two options, standard type resistant to 80℃, high temperature type resistant to 105℃.

Q2: Can I customize special sizes for large orders?

A2: Yes, our factory supports custom non-standard dimensions besides standard Φ20~Φ50 sizes.


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