Double-layer nylon corrugated hose is a cable protection hose made of high-performance modified nylon (PA6/PA12) material through advanced double-layer co-extrusion molding process. The outer layer of the product is a corrugated structure, and the inner layer is a smooth structure. It combines excellent flexibility and smooth threading. It is suitable for cable protection applications that require high wear resistance, high flame retardancy, high flexibility and high reliability. It is widely used in high-end manufacturing industries such as automobiles, rail transportation, robots, wind power, industrial automation, and power systems.
2. Product structure
Outer layer (corrugated layer): Enhanced flexibility and pressure resistance
Inner layer (smooth layer): Reduce threading resistance and protect the cable from wear
3. Product features
✅ Double-layer structure design: external pressure resistance, internal smoothness, high threading efficiency
✅ High flame retardant grade: UL94 V-0/V-2, self-extinguishing and flame-proof, ensuring electrical safety
✅ Strong high and low temperature resistance: Applicable temperature range -40℃ ~ +125℃ (up to 150℃ for a short time)
✅ High flexibility and fatigue resistance: Can be bent and folded multiple times without breaking
✅ Oil and corrosion resistance: Suitable for harsh industrial environments
✅ Environmentally friendly and non-toxic: in compliance with RoHS and REACH environmental standards, halogen-free
IV. Application areas
Wire harness protection for new energy vehicles and traditional vehicles
Wire harness and signal line protection for rail transit vehicles
Automation equipment and robot active cable threading
Industrial equipment/wind power solar system cable protection
High-security places such as ships, power, and communication engineering
V. Product specifications (example)
Model specification Inner diameter (mm) Outer diameter (mm) Bending radius (mm) Working temperature (℃) Flame retardant grade Packaging
PA-DW10 6.5 10.0 ≥20 -40~125 (peak 150) UL94 V-0 100m/roll
PA-DW13 10.0 13.0 ≥25 -40~125 UL94 V-0 100m/roll
PA-DW16 12.0 16.0 ≥30 -40~125 UL94 V-0 100m/roll
PA-DW25 18.7 25.0 ≥40 -40~125 UL94 V-0 50m/roll
More specifications Customizable Customizable Customizable Customizable Customizable Customizable Support OEM
VI. Supporting products
Double-layer nylon tube special quick connector (straight, elbow, waterproof type)
Multi-channel splitter
Heat shrink tube/sheath identification system
Support printing, fixed-length cutting, special color customization services
VII. Advantages summary
✨ Strong outside and smooth inside, no damage to the wire when threading
✨ High flame retardant + high temperature resistance, suitable for high-demand environments of industry and automobiles
✨ One-piece double-layer structure, longer service life and higher safety
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