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Product material: PP(Polypropylene)
Working temperature: -40℃~105℃
Color: black, orange, gray, white(other color can be customized)
Certification: RoHS, REACH, 5510(odor test, TVOC optional)
Flammability rating: UL94-V0, GB/T2408-V0, GB/T2408-HB
Customizable: Size/Color/split or not
Product standards: QC/T29106-2014
Engineered from 100% virgin polypropylene (PP), this environmentally-friendly flame-retardant corrugated tube delivers exceptional reliability for demanding insulation and routing tasks. The scientifically designed inner and outer corrugated structure provides a distinct tactile rigidity combined with remarkable flexibility, allowing it to bend effortlessly around tight corners without collapsing. When handled, the surface feels smooth yet highly durable, offering superior resistance against mechanical distortion and constant friction. By utilizing purely new PP materials, the tubing achieves an ideal flame retardant effect while maintaining its structural integrity under severe stress. It serves as an essential protective conduit for complex electrical lines, water supply systems, and gas distribution networks, effectively shielding internal components from acid, alkali, inorganic salts, and industrial oils. Furthermore, the meticulous manufacturing process ensures a clean, low-odor finish that meets strict environmental standards, making it exceptionally safe for enclosed spaces.
Our PP flame-retardant corrugated pipes are specifically formulated to meet intense thermal requirements. They confidently pass the stringent UL94-V0 test, comprehensive fire tests, and severe high/low-temperature resistance evaluations. Capable of functioning flawlessly within a wide temperature range of -40℃ to 105℃, the material resists embrittlement in freezing conditions and prevents pulverization under continuous heat exposure. We provide full, transparent test reports to validate these safety claims.
We maintain uncompromising requirements for odor control and TVOC emissions, ensuring our products are perfectly suited for confined and sensitive environments. This dedication to environmental safety is why over 6,000,000 meters of our corrugated pipes are supplied annually for new energy vehicle wiring harnesses, earning deep, ongoing trust from major automotive clients who demand absolute purity and safety in cabin spaces.
The corrugated pipes are produced exclusively using 100% new, eco-friendly PP materials rather than recycled plastics, ensuring consistent mechanical bearing strength. The intelligent wave design supports rapid wire routing, while the option for split or closed tubing allows for seamless integration into existing complex wiring systems without requiring complete disassembly.
We support extensive customer customization to match specific engineering requirements. This includes precise appearance sizing, custom printing content along the pipe body, special packaging formats, and specific opening/closing designs. By operating a highly efficient production line, we meet these high demands swiftly. Our standard corrugated pipe products are fully stocked, allowing spot products to be shipped in just 3-5 days, while fully customized orders are reliably shipped within 7-15 days.
The structural diagram above illustrates the precise engineering of our corrugated profiles. Each ridge and groove is calculated to maximize crush resistance while maintaining the necessary flex for rapid installation. Prior to mass production, these profiles undergo rigorous physical testing to ensure the wave spacing and wall thickness deliver optimal protection against external impacts and abrasions.
To ensure absolute consistency across every batch, our manufacturing facility operates under strict IATF16949 and ISO14001 quality management systems. The following tables detail the exact physical, thermal, and chemical performance metrics that our PP corrugated pipes achieve, demonstrating their capability to withstand intense tensile stress, chemical exposure, and prolonged aging.
| Project | Requirements | Refers to the standard |
| Outside view | Ripples are complete and free from defects | Visual |
| Tensile strength (MPa) | 22 or more | ISO 527-1:2012 |
| Elongation at break (%) | 200 or more | ISO 527-2:2012 |
| Low temperature impact performance | After -40℃*4H, the impact test showed no cracks and brittle cracks | Weight of steel ball: 300g, height: 100mm |
| Low temperature bending | No crack or brittle crack was found in bending test after -40℃*4H | Test by winding the round bar for 5min |
| High temperature deformation | Deformation rate 10% or less | Thermal deformation temperature *24h |
| Heat resistant performance | No embrittlement, no pulverization | Thermal deformation temperature *240h |
| Aging performance | No embrittlement, no pulverization | Operating temperature *3000h |
| Flame retardant performance | Vertical combustion -V0, horizontal combustion -HB | GB/T 2408-2021 |
| Burn rate | 100 mm/min or less | GB 8410-2006 |
| Chemical resistance test | No abnormity is allowed in appearance, no crack in bending | In a solution of 10% hydrochloric acid |
| Or a solution with 10% base | ||
| Soaking (1h) | ||
| Oil resistant | Appearance is not allowed to have abnormal, bending does not appear crack | Gasoline, diesel, oil, hydraulic rotation, transmission oil, engine coolant immersion at room temperature for 20h |
| Environmental protection | RoHS2.0 | IEC 62321 |
| Spec | Inner diameter d(mm) | Outside diameter D (mm) | Wall thickness H(mm) | wave spacing A (mm) | Pulse width a (mm) | Packing Spec |
| (M/roll) | ||||||
| Φ3.7*5.8 | 3.7±0.3 | 5.8±0.3 | 0.22±0.05 | -2.1 | -1.4 | 400 |
| Φ4.5*7 | 4.6±0.3 | 7.0±0.3 | 0.27±0.05 | -2.1 | -1.45 | 400 |
| Φ5.5*8 | 5.5±0.3 | 8.0±0.3 | 0.27±0.05 | -2.1 | -1.45 | 400 |
| Φ6*9 | 6.0±0.3 | 9.0±0.3 | 0.27±0.05 | -2.5 | -1.75 | 400 |
| Φ7*10 | 7.0±0.3 | 10.0±0.3 | 0.27±0.05 | -2.7 | -1.95 | 200 |
| Φ9*12 | 9.2±0.3 | 12.2±0.3 | 0.30±0.06 | -2.7 | -1.95 | 200 |
| Φ9.3*12.7 | 9.·3±0.3 | 12.7±0.3 | 0.30±0.06 | -2.65 | -1.9 | 200 |
| Φ10*13 | 10.2±0.3 | 13.0±0.3 | 0.30±0.06 | -2.7 | -1.95 | 200 |
| Φ10.7*14.1 | 10.7±0.3 | 14.1±0.3 | 0.30±0.06 | -2.7 | -1.5 | 200 |
| Φ11*14 | 11.2±0.4 | 14.0±0.4 | 0.30±0.06 | -2.7 | -1.95 | 200 |
| Φ12*15.8 | 12.0±0.4 | 15.8±0.4 | 0.30±0.06 | -3.2 | -2.3 | 200 |
| Φ13*17 | 13.2±0.4 | 17.0±0.4 | 0.35±0.08 | -3.2 | -2.3 | 200 |
| Φ16*20 | 16.0±0.5 | 20.0±0.5 | 0.35±0.08 | -3.2 | -2.3 | 200 |
| Φ18*22 | 18.1±0.5 | 21.8±0.5 | 0.40±0.08 | -3.2 | -2.15 | 200 |
| Φ18.3*21.5 | 18.3±0.5 | 21.5±0.5 | 0.40±0.08 | -3.25 | -2.25 | 200 |
| Φ19*23.5 | 19.0±0.5 | 23.5±0.5 | 0.40±0.08 | -3.2 | -2.3 | 200 |
| Φ19.5*24.3 | 19.5±0.5 | 24.3±0.5 | 0.40±0.08 | -3.2 | -2.3 | 200 |
| Φ20*25 | 20.5±0.5 | 25.0±0.5 | 0.40±0.08 | -3.1 | -2.35 | 100 |
| Φ23*28.5 | 23.2±0.5 | 28.5±0.5 | 0.40±0.08 | -3.2 | -2.3 | 100 |
| Φ25*32 | 25.5±0.5 | 32.0±0.5 | 0.40±0.08 | -4.5 | -2.75 | 50 |
| Φ26*31 | 26.0±0.5 | 31.0±0.5 | 0.45±0.10 | -3.1 | -2.3 | 50 |
| Φ27*32 | 27.3±0.5 | 32.0±0.5 | 0.45±0.10 | -4.7 | -3.1 | 50 |
| Φ29*34.5 | 29.0±0.6 | 34.5±0.6 | 0.45±0.10 | -3.5 | -2.35 | 50 |
| Φ32*36.8 | 32.0±0.6 | 37.0±0.6 | 0.45±0.10 | -3.3 | -2.35 | 50 |
| Φ36*42.5 | 36.0±0.6 | 42.5±0.6 | 0.50±0.12 | -4.15 | -3 | 50 |
| Φ40*45 | 39.8±0.8 | 44.5±0.8 | 0.50±0.12 | -4.15 | -2.85 | 50 |
| Φ46*53.5 | 46.3±0.6 | 53.5±0.6 | 0.50±0.12 | -6 | -4.3 | 25 |
| Φ48*54.5 | 48.0±0.8 | 54.5±0.8 | 0.50±0.12 | -4.3 | -3 | 25 |
Our PP corrugated pipes are engineered to perform reliably in the most demanding environments across multiple sectors. In the rapidly expanding new energy vehicle industry, these conduits are essential for securing complex wiring harnesses, ensuring they remain protected from engine heat, road vibrations, and automotive fluids. Because the material is exceptionally low-odor and TVOC-compliant, it is perfectly suited for enclosed cabin spaces where air quality is paramount.
Beyond automotive uses, this flexible protective tubing is widely deployed in industrial machinery, automated instrumentation panels, and heavy-duty electrical equipment. Whether exposed to harsh weather conditions outdoors or subjected to mildly acidic or alkaline industrial environments, the robust outer shell prevents premature aging, embrittlement, or pulverization, ensuring uninterrupted operation for your critical systems.
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We bring over 15 years of dedicated manufacturing experience to this industry, backed by a robust factory capability that supplies over 6 million meters of tubing annually. We offer comprehensive OEM and ODM services, tailoring everything from dimensions to packaging. To ensure your supply chain remains uninterrupted, our ready-made standard products are shipped within a rapid 3-day window, while fully customized orders are reliably delivered within 15 days.
Absolutely. Our production facility operates under strict IATF16949 and ISO14001 management systems. The products themselves have successfully passed comprehensive testing and hold certifications including REACH, RoHS 2.0, CE, EN45545 Test Reports, and ELV Test reports, guaranteeing they meet the highest global standards for safety and eco-friendliness.
We understand that different projects have varying scale requirements. Therefore, we maintain a highly flexible approach, accepting both large-volume orders for continuous manufacturing lines and smaller batches for specialized engineering prototypes. Please contact our team directly to discuss the specific details of your procurement requirements.
Sure, we highly encourage physical evaluation. Free samples can be sent directly to your facility so your engineering team can perform their own tactile inspections, flexibility checks, and chemical resistance tests to verify the product's superior performance.
