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Polyether PU Hose for Automotive Massage Seat and Lumbar Support

  • Non-Deforming Spool Tension Packaging: Precision-wound 200m/100m spools completely eliminate oval distortion or twisting to guarantee smooth, snag-free dereeling on Tier 1 automated wire harness cutting lines for this automotive pneumatic hose.

Description

🟦 Product characterization And Application

Feature:
  • Premium Polyether Base: Eliminates the risk of embrittlement in hot, humid cabin environments, making this pneumatic polyurethane hose highly reliable compared to standard polyester options.

  • Exceptional Flex Life: Withstands millions of continuous inflation and deflation cycles without kinking, ensuring this high-performance polyurethane air hose maintains uninterrupted airflow.

  • Compact Routing: Engineered as a highly automotive pneumatic hose with an ultra-small bending radius to navigate tight spaces within complex seat structures effortlessly.

  • Color-Coded Assembly: Available in multiple colors to allow easy identification of different circuits on the assembly line, streamline installation, and prevent errors.

Application:
  • Pneumatic Massage Systems: Connects the central valve block to multiple micro-airbags in the seat backrest and cushion, functioning as a reliable pneumatic polyurethane hose that handles continuous, low-pressure cycles.

  • Multi-Way Lumbar & Bolster Support: Routes inflation air to lumbar and side bolster bladders within highly restricted frame spaces, acting as a highly flexible air hose to prevent kinking during seat adjustments.

  • Dynamic Driving Support: Operates as a responsive polyurethane air hose that handles rapid, high-frequency air transfers for active side bolster adjustment during cornering.

  • Commercial Vehicle Air Suspension Seats: Connects the chassis air supply to cabin seat suspension bellows, ensuring the pneumatic system remains secure under harsh vibration and wide temperature fluctuations.

polyurethane tubing

🟦 Product Information

Product Name automotive pneumatic hose
Material Polyether polyurethane
Fluid Air, water
Working temperature -40 ℃~+70 ℃ (air)
0 ℃~+40 ℃ (water)
Maximum working pressure (at 20 °C) 0.4~0.8 Mpa
Hardness 85A-98A
Length 200m/roll (outer diameter less than 6mm)
100m/roll (outer diameter over 8mm)
Tolerance OD4-12mm, tolerance ± 0.1mm
Outer diameter 14-16 mm, tolerance ± 0.15 mm
Size options (Imperial) MOQ | Sampling available
Certified CE, RoHS
IATF 16949, ISO 13485
ISO 9001, ISO 14001,DOT
Note: Custom sizes, colors, hardness, burst pressures, and temperatures are available—please contact the company for technical specifications.

PDF

🟦 Product Parameters

Model OD × ID
(мм)
Working temperature
(℃)
Maximum working pressure
(MPA)
Minimum bending radius
(Mm)
20 ℃ 40 ℃ 60 ℃
LCTU0212 2 × 1.2 -40 ℃ ~+70 ℃
(Air)
0 ℃ ~+40 ℃
( water)
Air
0.8
Water
0.6
Air
0.65
Water
0.5
Air
0.5
Water
0.4
4
LCTU0425 4 × 2.5 8
LCTU0604 6 × 4 12
LCTU0805 8 × 5 17
LCTU1065 10 × 6.5 20
LCTU1208 12 × 8 30
LCTU1410 14 × 10 40
LCTU1612 16 × 12 45
LCTU 1/8 3.18 × 2 10
LCTU 3/16 4.76 × 3.18 15
LCTU 1/4 6.35 × 4.23 23
LCTU 3/8 9.53×6.35 27
LCTU 1/2 12.7 × 8.46 35

FAQ

Q1: Does this hose comply with automotive OEM interior VOC and odor standards?
A: Yes. Since the hose is installed inside the vehicle cabin, we control raw materials strictly to ensure low VOC emissions and zero pungent odor. It meets standard automotive interior air quality requirements, preventing fogging issues on windows and ensuring a safe cabin environment.

Q2: How does the hose perform regarding NVH (Noise, Vibration, and Harshness) and squeak prevention inside the seat?
A: Airbag inflation can cause standard plastic lines to friction against the metal seat frame or foam, generating annoying squeaks. Our polyether formulation yields a smooth outer surface that minimizes friction noise. For high-spec NVH requirements, its precise outer diameter also perfectly matches standard anti-squeak protective sleeving.

Q3: What packaging options do you offer to support automatic cutting and seat wire harness assembly?
A: We provide high-capacity spool packaging (200m/roll for OD under 6mm) that feeds smoothly into automated cutting machines without twisting or oval deformation. Additionally, we offer cut-to-length hose processing based on your technical drawings, allowing your assembly line to use pre-cut segments directly as standard seat wire harness components.

Q4: How is the hose coiled and packed to prevent deformation and ensure smooth dereeling on automated lines?
A: To ensure seamless integration with your automated assembly equipment, our flexible air hose is precision-coiled onto sturdy reels or spools under controlled winding tension. This professional coiling method prevents any oval deformation, twisting, or kinking during transit and storage. When placed on your production line’s payoff stands, the coiled packing allows for high-speed, snag-free dereeling, reducing downtime and eliminating manual straightening.

Q5: How do you ensure batch-to-batch consistency for long-term automotive supply programs?
A: We implement strict trace-management from raw material inspection to final packaging. Each batch undergoes automated online outer diameter scanning and destructive burst pressure testing. Inspection reports (COA) can be provided with every shipment to align with Tier 1 quality control audits.

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Ningbo Langchi New Materials
Technology Co., Ltd.

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Contact LANGCHI

0086-18967852506

59 Lixin Road, Zonghan Street,
Cixi, Ningbo, Zhejiang,
China, 315301

Ningbo Langchi New Materials
Technology Co., Ltd.

Follow us online!

Contact LANGCHI

0086-18967852506

59 Lixin Road, Zonghan Street,
Cixi, Ningbo, Zhejiang,
China, 315301

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