PP Corrugated Tubing Manufacturing Process — EV Orange Grade
A full production walkthrough of Good Gi PP polypropylene corrugated tubing — from raw material extrusion to finished tube — so you can see Taiwan-made quality standards firsthand.
Source: Good Gi Co., Ltd. Official YouTube Channel
Key Features
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Built to International Standards: Nylon (PA) grades are manufactured in accordance with UL 1696 mechanical protection tubing standards; PP grades use resin rated to UL 94 V-0 and meet FMVSS 302 horizontal burn requirements. All grades are RoHS and REACH compliant. Test reports available on request.
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Impact & Heat Resistance: Plastic grades rated −40 °C to 125 °C; metal flexible conduit handles extreme heat and electromagnetic interference.
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High Flexibility: Corrugated walls allow free bending in any direction — ideal for complex routing paths and tight installation spaces.
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Multiple Material Options: Nylon (PA), PP polypropylene, chemical-resistant grades, and galvanized metal flexible conduit — one supplier for every operating environment.
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Taiwan-Manufactured: In-house tooling and quality control ensure consistent lead times and support for high-volume custom orders.
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Complete Processing Services: Cut-to-length, longitudinal slitting, and custom packaging reduce downstream prep work and total procurement cost.
Application Areas
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Semiconductor & Electronics Equipment: Protects precision harnesses in cleanrooms and high-accuracy machinery. RoHS compliance is mandatory; Nylon (PA) corrugated tubing, manufactured to UL 1696 mechanical protection tubing standards, is the primary choice.
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Energy & Power Equipment: Used in power control panels, new-energy systems, and power unit wiring — where heat resistance and chemical durability are critical. PP or metal conduit selected by environment.
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Automation & Machine Tools: Shields internal wire harnesses against repeated flexing and elevated temperatures, extending harness service life.
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Automotive Wiring & Electrical Insulation: Grades meeting FMVSS 302 horizontal burn requirements are widely used in engine compartment, door, and dashboard harness protection.
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Construction & Outdoor Wiring: High protection ratings suit underground conduit runs and outdoor exposed installations — dust-proof, moisture-resistant, and weather-durable.
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Chemical Industry & Harsh Environments: Chemical-resistant PP grades withstand acid and alkali exposure, keeping precision circuits stable in aggressive industrial environments.
Recommended Corrugated Tube Cutting Machines
Frequently Asked Questions
Q: Nylon (PA) vs. PP Corrugated Tubing — Which Should I Choose?
A: Start with the environment, then the mechanical load. Choose Nylon/PA (GPA) where abrasion resistance, impact strength, and mechanical durability matter — robotic arms, cable chains with repeated travel, and harnesses that flex constantly inside equipment. Rated −10 °C to 120 °C and manufactured to UL 1696 mechanical protection tubing standards. Choose PP (GR) where chemical resistance, low-temperature tolerance, or cost control lead — chemical plants, outdoor low-temperature runs, and automotive harnesses. Rated −40 °C to 125 °C and meets FMVSS 302 horizontal burn requirements. Quick rule: heavy movement and abrasion → PA; chemicals and cold → PP. For a full side-by-side comparison, see Nylon (PA) vs. PP Corrugated Tubing — Material Comparison Guide.
Q: How Do I Select the Right Corrugated Tube Size?
A: The basic rule: the wire harness OD should not exceed 60–70% of the tube's inner diameter. Divide the harness OD by 0.65 to get the minimum recommended ID (example: 12 mm harness OD → choose ID ≥ 19 mm), then pick the nearest standard size from the supplier's catalog. If you anticipate adding cables later, go one size up. For a complete sizing walkthrough, see How to Select the Right Corrugated Tube Size and Specifications.
Q: What Do UL, RoHS, and REACH Mean for Corrugated Tubing Procurement?
A: These are separate systems covering different markets. UL 1696 is the mechanical protection tubing (MPT) standard, covering support, routing, and mechanical protection of wires and cables — the reference point for North American equipment wiring. UL 94 V-0 is a plastics flammability rating requiring self-extinguishing within 10 seconds. FMVSS 302 is the US automotive horizontal burn requirement. RoHS restricts 10 hazardous substances including lead, mercury, and cadmium; REACH controls substances of very high concern (SVHC) — both are legal requirements for exporting to the EU and UK. Confirm your target market first, then ask the supplier for the matching test reports and their validity dates. For a real-world application example, see Nylon Corrugated Tubing Applied in Automation Control Panels.
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