PA Standard Nylon Conduit Tubing for Industrial Wire Protection

PA Standard Nylon Conduit Tubing is an industrial-grade cable protection product made from nylon (PA) through extrusion molding. Its corrugated inner and outer surface profile combines axial rigidity with lateral flexibility, allowing it to follow complex routing paths while maintaining a protective envelope around the cable bundle. This makes it suitable for automotive wire harness routing, mechanical equipment cable management, and industrial environments where cables face sustained vibration, thermal cycling, and chemical exposure.

Material Performance and Technical Specifications

The PA material in PA Standard Nylon Conduit Tubing has a tensile strength of 80 MPa (ASTM D-638), bending strength of 105 MPa (ASTM D-790), and elongation of 100% (ASTM D-638). Hot deformation temperature is 160°C at 0.46 MPa (ASTM D-648), and dielectric strength is 20 KV/mm (ASTM D-149). The operating temperature range is -40°C to +150°C, covering cold-climate installations and high-heat equipment zones. The finished product carries UL94-V0 flame retardant certification with self-extinguishing behavior. Compliance documentation covers ROHS, REACH, and 5510; smell test and TVOC support are available as options.

Available in sizes from Φ5.0 to Φ48.0mm, with inner diameters from 4.8mm to 48.0mm and outer diameters from 7.2mm to 54.5mm. Minimum bending radius ranges from 5mm to 80mm by size, and roll lengths range from 25M to 500M.

Key Features

• Material: Nylon (PA), extrusion molded, glossy surface, chemical resistance
• Temperature: -40°C to +150°C operating range
• Structure: Corrugated inner and outer surfaces; split and non-split configurations
• Flame retardancy: UL94-V0 finished product; self-extinguishing
• Compliance: ROHS, REACH, 5510; optional smell test and TVOC
• Colors: Black, orange, gray, white, red, blue, yellow; custom colors supported
• Sizes: Φ5.0 to Φ48.0mm across 18 standard specifications

Application Scenarios

Automotive Wire Harness Protection

Automotive wire harness routing in cockpit, engine compartment, chassis, and door assemblies requires cable protection that tolerates sustained vibration, repeated bending, oil exposure, and temperature extremes. For standard interior zones, the 105°C configuration applies. For engine compartments and battery pack wiring in new energy vehicles, the 150°C specification is appropriate. One technical constraint that is consistently confirmed in automotive supplier qualification reviews: flame retardancy is a mandatory specification. Projects that introduce corrugated conduit without verifying UL94-V0 or equivalent certification regularly face rework at the final audit stage, because fire safety is a hard requirement in most automotive programs.

Mechanical Equipment and Automation Cable Management

In CNC machine tools, robotic arms, and automated production lines, cable bundles follow dynamic paths that flex repeatedly during operation. From post-installation inspection of conduit in industrial environments, wear concentrates at minimum bending radius points rather than at entry or exit connections. Matching conduit size to the actual routing geometry—specifically the bending radius specification—is the most direct way to extend service life in dynamic cable routing. PA Standard Nylon Conduit Tubing is available in split and non-split configurations, giving installation teams flexibility for retrofit and new-build projects.

Special Working Conditions

Chemical processing, metallurgical equipment, and marine installations expose cable protection to acid and alkali contact, elevated heat, and salt spray corrosion. The chemical resistance of nylon and the 150°C upper temperature rating of PA Standard Nylon Conduit Tubing address these conditions. For marine environments, the nylon construction provides corrosion resistance that extends service life compared to materials with lower chemical tolerance.

Selection and Procurement Guidance

When selecting PA Standard Nylon Conduit Tubing, the key parameters are cable bundle outer diameter, operating temperature zone, and bending geometry of the routing path. Color options—black, orange, gray, white, red, blue, yellow, and custom—support color-coded zone management in harness assembly without requiring separate product families. Split construction simplifies retrofit installation where cables are already positioned; non-split construction provides a sealed channel for new harness builds. Both configurations span the full Φ5.0 to Φ48.0mm size range. The specification table below provides dimensional data for matching conduit to cable bundle with appropriate wall thickness and bending radius.

Physical Properties of PA (Nylon) Raw Material

Specification Table (PA Standard Nylon Corrugated Tube)