Aramid Fiber Rope

Engineered for the marine environment, this line combines an aramid-fiber core with a polyamide-fiber outer construction. A low-helix-angle braid and pre-stabilized construction minimize break elongation, ensuring stable station-keeping. The high-density surface weave maximizes abrasion resistance, while a dual-color identification system simplifies sub-sea installation. Multi-layer reinforcement withstands extreme sea-state impacts, making the line ideal for high-load applications such as subsurface buoy and mooring-anchor systems.


Product Detail

Product Tags

1. Product Advantages

  • Lightweight yet High-Strength: The aramid-composite architecture delivers an exceptional strength-to-weight ratio—minimum mass, maximum load-bearing capacity.

  • Ultra-High Temperature Resistance: Decomposition begins at approximately 500°C, outperforming all conventional synthetic fibers.

  • Superior Cut & Puncture Protection: The rigid rod-like molecular structure furnishes outstanding resistance to sharp edge damage and pointed-object penetration in demanding marine environments.

  • Compression-Fatigue Durability: Demonstrates minimal creep under cyclic bending and compressive loads, providing service life far superior to low-modulus fibers such as polyester or polypropylene.

  • Low Elongation & High Stability: Low-helix-angle braid and pre-stabilized construction minimize stretch for precise station-keeping.

  • Abrasion & Impact Resistant: High-density surface weave and multi-layer reinforcement effectively withstand extreme sea-state impacts and mechanical wear.

2. Manufacturing Process

  • Filament Preparation: Selection and quality verification of high-tenacity Para-Aramid filament raw material.

  • Core & Outer Braiding: Precision braiding of the aramid-fiber core combined with a polyamide-fiber outer sheath using a low-helix-angle process (8-strand or 12-strand plaited braid).

  • Pre-Stabilization Treatment: Thermal and mechanical tensioning process to lock construction alignment and minimize break elongation.

  • Weave Density Control: High-density surface weaving to maximize external abrasion and cut resistance.

  • Identification & Finishing: Integration of dual-color identification system, spooling onto standard reels, and attachment of terminal hardware.

3. Quality Control

  • Tensile & Breaking Load Testing: Rigorous testing of breaking strength and elongation parameters to ensure optimal performance under extreme marine loads.

  • Thermal Tolerance Verification: Testing under extreme thermal limits (-196°C to +330°C service range; surface charring at 427°C and decomposition at 538°C).

  • Abrasion & Cut Resistance Inspection: Structural checks on high-density weave integrity to ensure high performance against sharp-edge penetration.

  • Creep & Cyclic Fatigue Audit: Mechanical testing under repetitive bending and compressive cycles to verify minimal creep rate and long-term durability.

4. Product Parameters

Technical Specifications

Parameters Specifications
Fiber High-Tenacity Para-Aramid Filament
Construction 8-Strand or 12-Strand Plaited Braid
Diameter Options 6 mm | 8 mm | 10 mm | 12 mm
Colour Options White (customized)
Standard Reel Length 100 m
Specific Gravity 1.44 g/cm³
Service Temperature -196°C to +330°C
Thermal Limits Surface Char 427°C (non-flaming); Onset of Decomposition 538°C

5. Product Models

Structural Variant Features / Characteristics
8-Strand Plaited Braid High flexibility, compact core structure, suited for standard mooring and towing lines.
12-Strand Plaited Braid Balanced torque resistance, superior strength, optimized for heavy-load sub-sea anchor systems.
Custom Diameter Lines (6 / 8 / 10 / 12 mm) Tailored tensile strength and reel configurations based on specific oceanographic payload requirements.

6. Packaging & Transportation

  • Reel Packaging: Supplied on standard 100m heavy-duty spools wrapped in moisture-proof protective film.

  • Terminal Protection: Carabiners, thimbles, and spliced ends fitted with protective rubber/canvas sleeves to avoid transit damage.

  • Marine Shipping Standard: Packed in UV-resistant, impact-proof ocean shipping crates labeled with batch numbers, line specifications, and handling instructions.

7. Product Purpose

  • To provide high-strength, ultra-low stretch tension lines for subsurface buoy tethering, oceanographic instrumentation mooring, and deep-sea anchoring.

  • To deliver reliable station-keeping and cable protection in severe marine environments subject to high mechanical loads and extreme sea states.

8. Product Applications

  • Subsurface buoy and mooring-anchor systems

  • Hydrographic and oceanographic research equipment deployment

  • Deep-sea tethering and ROV winch cabling

  • Offshore oil & gas marine rigging and station-keeping lines


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