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The Double Braided UHMWPE / Polyester Traction Rope is engineered to resolve the demanding challenges of modern electrical engineering, where safety, minimal sag, abrasion resistance, and anti-twist performance are paramount.
High-Performance Load-Bearing Core (100% UHMWPE):
The 12-strand braided inner core utilizes premium high-modulus UHMWPE fibers, delivering an exceptional strength-to-weight ratio (up to 15× stronger than steel on an equal-weight basis) with an elongation under working load of less than 1.5%. This minimizes line whipping and catastrophic recoil risks during heavy line-pulling operations.
Durable Protective Jacket (High-Tenacity Polyester):
The tight-woven 24/32-carrier braided polyester cover shields the high-performance UHMWPE core against rough pulley friction, capstan heat buildup, grit ingress, and intense UV degradation. Polyester’s balanced thermal and friction properties prevent melt-through and surface snagging during high-speed spooling.
Integrated Red Anti-Twist Marker Thread (Red Tracer System):
Unlike surface-printed lines or taped labels that degrade under friction, our continuous red tracer thread is interwoven directly into the jacket structure. It provides clear, instantaneous visual feedback on rope rotation or axial twist along running lines and winch drums, preventing dangerous hockling, kinking, and uneven load distribution.
Parameter
| Type | Diameter | Unit | Breaking Strength ( Tons ) |
| UHMWPE | Φ4mm | M | 0.7 |
| Φ6mm | M | 1.8 | |
| Φ8mm | M | 3.5 | |
| Φ10mm | M | 6 | |
| Φ12mm | M | 9 | |
| Φ14mm | M | 13.5 | |
| Φ16mm | M | 16 | |
| Φ18mm | M | 20 | |
| Φ20mm | M | 31 |
| Specification Item | Standard Value / Details |
|---|---|
| Product Model | ET-UHMWPE-DB-RED Series |
| Inner Core Material | 100% Virgin UHMWPE (Ultra-High Molecular Weight Polyethylene) |
| Outer Jacket Material | High-Tenacity Continuous Filament Polyester (PET) |
| Rope Structure | Double Braid (12-Strand Core + 24/32-Strand Tight Braided Jacket) |
| Marker Thread Feature | Continuous Red Tracer Thread (Anti-Twist & Distance Orientation) |
| Diameter Range | 6mm – 32mm+ (Custom sizes available upon request) |
| Standard Lengths | 100m, 200m, 500m, 1000m, 2000m on wooden/steel drums |
| Breaking Strength (MBL) | 28 kN – 580 kN+ (depending on diameter) |
| Elongation at Break | < 3.0% (Ultra-low stretch, minimal sag) |
| Working Load Limit (WLL) | Calculated at 20% safety factor (5:1 safety ratio) |
| Specific Gravity / Density | ~1.18 – 1.25 g/cm³ (Sinks steadily in water, stable in wind) |
| UV & Weather Resistance | Exceptional (Polyester cover shields core from UV degradation) |
| End Terminations | Soft Spliced Eyes, Stainless Steel Thimbles, Polyurethane/Canvas Chafe Sleeves, Pulling Grips |
Permanent Embedded Red Marker Thread:
Allows line crew and winch operators to instantly spot and correct rope twist before it creates kinks or damages expensive pulleys and tensioners.
Ultra-High Tensile Strength & Steel-Like Rigidity:
Matches or exceeds the breaking capacity of equivalent steel wire ropes while weighing only a fraction as much, dramatically reducing worker fatigue and setup times.
Extreme Abrasion & Friction-Heat Resistance:
The tight-pitch polyester jacket absorbs capstan winch friction, sharp rock rubbing, and pulley wear, protecting the internal UHMWPE core.
Anti-Snapback Safety:
Ultra-low kinetic energy storage ensures that in the unlikely event of failure, the line drops safely rather than recoiling violently like steel or nylon.
Non-Conductive & Dielectric Safety:
Synthetic construction provides high dielectric insulation properties, making it safer for live-line maintenance and crossing over energized lines.
Smooth Surface Finish & Torque-Balanced Construction:
Dual-braided geometry eliminates inherent torque rotation under load, gliding seamlessly through sheaves and tensioning blocks.
Overhead Power Transmission Stringing :
Used as guide ropes and traction pulling lines across towers, mountain terrains, and river crossings.
Underground Cable & Conduit Pulling:
High pulling force with low diameter allows smooth navigation through high-friction conduits and duct banks.
Power Grid Emergency Repair & Live-Line Maintenance:
Lightweight and non-conductive properties allow rapid deployment and safe replacement of overhead conductors.
Capstan Winches & Tensioner Pulling Lines:
Red marker lines ensure smooth spooling without axial twist buildup on rotating winch drums.
OPGW & Communication Fiber Optic Cable Installation:
Guarantees vibration-free, low-sag cable installation with zero risk of micro-bending optical fibers.
20+ Years Professional Rope Manufacturing: Direct manufacturing facility equipped with advanced multi-carrier high-speed braiding machines and calibrated tensile test benches.
100% Quality Assurance: Every production batch undergoes rigorous tensile strength, elongation, and abrasion testing with full inspection certificates (MTC/CoC).
Flexible OEM/ODM Customization: Custom tracer colors (Red, Orange, Blue, Reflective), custom diameters, specific breaking strengths, pre-spliced thimble eyes, and heavy-duty steel/wooden reel packaging.
Global Power Grid Project Experience: Trusted supplier to global electrical utilities, EPC contractors, and transmission line engineering teams across North America, Europe, SE Asia, the Middle East, and Latin America.
