Double Braided Polyamide And Polypropylene Rope

Double Braided Polyamide And Polypropylene Rope

Product Introduction:

The Double Braided Polyamide/Polypropylene Composite Rope is a premium hybrid synthetic rope engineered for demanding marine and industrial applications. Manufactured using advanced German equipment and fully automated computerized production systems, this rope features a unique double-layer braided construction that delivers a performance improvement of over 15% compared to conventional 3-strand and 8-strand ropes. The innovative design combines a polyamide (nylon) outer cover with a polypropylene multifilament inner core, harnessing the complementary strengths of both materials to provide exceptional abrasion resistance, controlled elongation, lightweight handling, and optimized buoyancy.

Recognised as a National New Product and a provincial High-Tech Product, and protected by a national patent, this rope represents the ultimate upgrade for modern marine mooring and towing operations.

Construction & Design:

The rope features a double-braided (double-layer multi-ply) structure - a braided inner core enclosed by a tightly braided outer cover. This advanced construction ensures:

1.Balanced load distribution - The dual-layer braid maximises strength utilisation and minimises stress concentrations.

2.Non-rotating and non-kinking - The braided design eliminates twisting during operation, ensuring safe and smooth deployment.

3.Superior flexibility - The rope remains pliable and easy to splice, even in cold or wet conditions.

4.Optimised buoyancy - The polypropylene core provides near-neutral to floating characteristics, with a specific gravity of approximately 1.01 (standard) or 0.99 (upon special order).

Main Performance: 

Technology Comparison: 

Parameter Table: 

Performance Advantages:

1.Enhanced Strength - The double-braided structure increases overall breaking strength by more than 15% compared to traditional 3- and 8-strand ropes.

2.Controlled Elongation - Provides predictable stretch characteristics for precise load control and shock absorption.

3.Superior Abrasion Resistance - The nylon cover offers exceptional resistance to chafing and abrasive surfaces, reducing maintenance and replacement costs.

4.Lightweight & Easy Handling - The polypropylene core reduces overall weight, simplifying splicing, coiling, and deployment.

5.Optimised Buoyancy - The composite design provides near-neutral buoyancy, making it ideal for applications where flotation is beneficial.

6.Low Splice Loss - Spliced strength loss is less than 10%, ensuring reliable terminations.

7.Consistent Quality - Weight and length tolerance within ±5%, with a standard coil length of 220 metres (custom lengths available).

8.Compliant with ISO 2307 - Minimum Breaking Load (MBL) is tested and certified per ISO 2307 standards.

Applications:

Our Double Braided Polyamide/Polypropylene Composite Rope is extensively used in a wide range of sectors:

*Ocean Shipping - Mooring, towing, and spring lines for container ships, tankers, bulk carriers, and cruise vessels.

*Naval Vessels - Docking and securing operations for warships and support vessels.

*Offshore & Petroleum - Anchor handling, tow lines, and platform mooring systems.

*Port Operations - Berthing, hauling, and cargo transfer activities.

*Fishing Industry - Trawl nets, purse seine lines, and commercial fishing gear.

*Mining Operations - Haulage and lifting lines in harsh environments.

*Recreational Marine - Dock lines, anchor lines, and buoy lines.

Colors & Customization:

The standard color is white (with optional green marker for identification). Custom colors are available upon request to meet specific customer requirements .

Certifications:

Our ropes are manufactured under strict quality control and are certified by leading international maritime classification societies, including:

*ABS (American Bureau of Shipping)

*LR (Lloyd's Register)

*BV (Bureau Veritas)

*CCS (China Classification Society)

*DNV (Det Norske Veritas)

*GL (Germanischer Lloyd)

*NK (Nippon Kaiji Kyokai)

*KR (Korean Register)

*RINA (Registro Italiano Navale)

Class certificates can be provided according to specific customer requirements.