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What is Marine Rope? How to Choose the Right Type for Effective and Safe Use in the Fishing Industry

  • 07/07/2025

Marine rope is an essential material in fishing and aquaculture. Learn how to select the right type of rope for each task and which trusted brands serve the maritime industry best.

Marine rope is an indispensable material in fishing and aquaculture operations. Depending on the intended use and working environment, each type of rope requires specific characteristics in terms of material, durability, and tensile strength. This article provides a clear explanation of what marine rope is, its practical applications, and how to choose the right rope for different tasks at sea.

1. What is Marine Rope?

1.1 Definition and Role in the Maritime Industry

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Marine Rope - Source: SIAM Brothers Vietnam

Marine rope refers to rope specifically designed for use in saltwater environments, where it must withstand high tensile loads, continuous torsion, and abrasion, without deteriorating due to sunlight, seawater, or mechanical stress. In the fishing industry, marine rope plays a vital role in anchoring, mooring, towing nets, securing floating structures, lashing cargo, and operating tarp systems in aquaculture farms.

1.2 Differences from Conventional Rope

Marine rope is manufactured from specialized materials such as HDPE, virgin PP, or high-grade PE to ensure strength, durability, and resistance to water immersion over time. Unlike household or general-purpose rope, marine-grade ropes have a long lifespan, minimal fraying, UV resistance, and ensure safety in harsh working conditions.

2. Practical Applications of Marine Rope in the Fishing Industry

2.1 On Fishing Vessels

Dây thừng ngư nghiệp là gì? Cách chọn dây phù hợp cho nghề biển hiệu quả và an toàn
Marine Rope - Source: SIAM Brothers Vietnam

Marine rope is used to anchor boats, secure hull sides, tow nets, and fix fishing gear during active operations or while docked. In many cases, it also serves as a temporary mooring line, structure support, or for hauling heavy equipment from underwater to the deck.

2.2 In Aquaculture Operations

Dây thừng ngư nghiệp là gì? Cách chọn dây phù hợp cho nghề biển hiệu quả và an toàn
Marine Rope - Source: SIAM Brothers Vietnam

Marine rope is used to create frame structures, tie floating cages, and secure the layout of fish or shrimp farms. It also supports tarpaulin systems, holds netting and pipes in place, and ensures stability for the overall setup.

2.3 In Loading, Unloading, and Dock Operations

Dây thừng ngư nghiệp là gì? Cách chọn dây phù hợp cho nghề biển hiệu quả và an toàn
Marine Rope - Source: SIAM Brothers Vietnam

At fishing ports, marine rope plays an essential role in binding, lifting, and securing seafood, equipment, and fishing tools. Key requirements for this type of rope include strong grip, high load-bearing capacity, and anti-slip performance even when wet.

3. Common Types of Marine Rope

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Marine Rope - Source: SIAM Brothers Vietnam

3.1 Polypropylene (PP) Rope

Lightweight, floats on water, good tensile strength, and affordable. Suitable for mooring, temporary anchoring, and small-scale net towing. However, its durability in saltwater conditions is lower compared to other materials.

3.2 Polyethylene (PE) Rope

Highly resistant to abrasion, waterproof, and stable under varying weather and chemical exposure. PE ropes are ideal for anchoring vessels, towing heavy nets, or applications that require low stretch and high consistency.

3.3 Nylon (Polyamide) Rope

Offers the highest tensile strength, great elasticity, and longevity. Best suited for large vessels, hauling heavy fishing equipment, and securing large loads on board. The downside is that it becomes heavier when soaked and has slight stretch over time.

4. Choosing the Right Rope – Ensuring Safe Voyages

Dây thừng ngư nghiệp là gì? Cách chọn dây phù hợp cho nghề biển hiệu quả và an toàn
Marine Rope - Source: SIAM Brothers Vietnam

Choosing marine rope is not merely about selecting a consumable item — it's about ensuring the safety, efficiency, and long-term reliability of every offshore journey. Trust reputable manufacturers such as Siam Brothers Vietnam, a company with over 30 years of experience supporting fishermen nationwide. Their product lines, including Cock rope, Golden Cock, and Sea Horse have been thoroughly tested, widely recognized, and are trusted across the country for their consistent performance and durability.

Read more: Types of Rope Fibers Explained: PP, PE, Nylon, and Manila Ropes

Source: SIAM Brothers Vietnam


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Dây thừng ngư nghiệp là gì? Cách chọn dây phù hợp cho nghề biển hiệu quả và an toàn