Let's analyze how requirements differ across key industries such as commercial vehicles, passenger cars, industrial automation, rail transit, data centers, consumer electronics, and energy systems.
1. Commercial Vehicles
Typical Applications:
Engine harness, chassis harness, powertrain wiring, sensor harness.
Key Requirements:
Performance Requirement
Reason
High-temperature resistance (up to +125°C)
Continuous heat inside the engine compartment
Low-temperature resistance (-40°C)
Harsh winter environments in Europe
Exceptional abrasion resistance
Vibration, stone impact, road debris
Flame retardancy (UL94 V0/V2)
Mandatory safety standards
Chemical resistance
Diesel, oil, DEF, salt spray
High mechanical protection
Prevents wiring failures in critical systems
Typically uses heavy-duty, high-density, highly abrasion-resistant PET sleeving.
Typical Applications:
Instrument panel harness, door wiring, seat harness, interior cables.
Key Requirements:
Performance Requirement
Note
Lightweight
Reduces vehicle mass
Excellent flexibility
Suitable for complex cable routing
Color customization
Harness differentiation
Moderate abrasion resistance
Interior environment is stable
Usually uses standard-grade PET braided sleeving.
Typical Applications:
Robotic arms, drag chain cables, industrial sensors.
Key Requirements:
| Performance Requirement | Note |
| Extreme abrasion resistance | Constant repetitive motion |
| Superior flexibility | Ensures free robotic movement |
| High cut resistance | Protects against sharp metal edges |
| High expandability | Accommodates multiple cables |
Often requires high-density, high-flexibility, wear-resistant PET sleeving, sometimes reinforced with PA yarn.
Typical Applications:
Rail car wiring, train communication cables, aircraft cable bundles.
Key Requirements:
Performance Requirement
Note
High flame retardancy (UL94 V0, EN45545)
Critical safety compliance
Low-smoke, halogen-free
Reduces toxic fumes during fire
Temperature and radiation stability
Long-term environmental endurance
High-level protective structure
Reduces maintenance cost
May require special flame-retardant PET, PPS, or PEEK sleeving.
Typical Applications:
Server racks, network cables, fiber optic routing.
Key Requirements:
| Performance Requirement | Note |
| Clean and organized cable management | Improves service efficiency |
| High flexibility | Prevents damage to fiber optics |
| Flame retardancy | Required by data center regulations |
Uses soft PET or LSZH flame-retardant sleeving.
Typical Applications:
Vacuum cleaners, small home appliances, electric tools, game devices.
Key Requirements:
| Performance Requirement | Note |
| Soft and lightweight | Suitable for consumer product design |
| Wide color range | Matches product appearance |
| Moderate abrasion protection | Indoor usage environment |
Primarily standard PET sleeving.
Typical Applications:
Battery wiring harnesses, high-voltage cables, inverter wiring.
| Performance Requirement | Note |
| High flame retardancy | Ensures battery system safety |
| High abrasion resistance | Vibration in battery compartments |
| Chemical resistance | Coolants, lubricants |
| High-temperature endurance | Heat buildup in battery packs |
Often uses flame-retardant or high-temperature PET sleeving.
日本語
