Product Specification

6mm Polyethylene 3 Strands Twisted Nylon Rope Plastic PE Rope for Anchor Boat Mooring

1.PHOTOS

2. Main performance

3.Technology Comparison

Coil length: 220m

Spliced strength:± 10% lower

Weight and length tolerance:± 5%

MBL=Minimum Breaking Load conform ISO 2307

Other sizes available upon request

4.Parameter Table

Production Process

Step 1: Raw Material Preparation & Fiber Extrusion

• Polyethylene (PE) Fiber Production: High-density polyethylene (HDPE) resin pellets (selected for water resistance and durability) are fed into an extruder. The extruder heats the resin to a molten state (around 160–200°C) and forces it through spinnerets—fine, circular nozzles—to form continuous PE filaments. These filaments are then cooled rapidly with air or water to solidify, creating uniform, high-tensile PE fibers.
• Nylon Fiber Preparation: Nylon resin (typically nylon 6 or 6,6, chosen for elasticity and strength) undergoes a similar melt-spinning process. The molten nylon is extruded through spinnerets, cooled, and then stretched to align the polymer molecules—this step enhances the fiber’s tensile strength and abrasion resistance, producing durable nylon filaments suitable for marine use.

Step 2: Fiber Bundling & Yarn Formation

• PE and nylon filaments are separately bundled into “yarns” (small groups of fibers) to increase thickness and strength. Each yarn is twisted slightly to bind the filaments together, preventing fraying during subsequent processing. The yarn count is calibrated to ensure the final rope meets the 6mm diameter specification—with PE yarns often forming the core for structural stability and nylon yarns added for flexibility.

Step 3: Strand Braiding/Twisting

• 3-Strand Formation: The prepared PE-nylon composite yarns are divided into three equal groups (strands). Each strand is twisted individually using a stranding machine—this twisting compacts the yarns, boosting the strand’s density and load-bearing capacity. The twist direction (e.g., “Z-twist” or “S-twist”) is consistent across all three strands to ensure uniform performance.

Step 4: Final Rope Twisting (Layering)

• The three twisted strands are fed into a rope-twisting machine, where they are twisted together in the opposite direction of their individual twist (a process called “counter-twisting”). This counter-twist locks the strands into place, creating a tight, stable 3-strand twisted structure that resists unraveling. During this step, the machine monitors and adjusts tension to maintain a precise 6mm diameter—ensuring consistency across the entire rope length.

Step 5: Post-Processing & Quality Inspection

• Heat Setting: The twisted rope is passed through a heat-setting oven (at controlled temperatures, ~80–120°C) to stabilize its structure. This step reduces “creep” (unwanted stretching over time) and ensures the rope retains its shape and twist even when wet or under load.
• Surface Treatment (Optional): A clear, water-based coating may be applied to enhance UV resistance and reduce friction—critical for marine environments where sun exposure and abrasion are common.
• Quality Checks: The finished rope is inspected for diameter accuracy, tensile strength (via load-testing), twist uniformity, and absence of defects (e.g., frayed strands, weak points). Samples are also tested for water absorption and saltwater resistance to confirm suitability for anchor and mooring use.

Step 6: Cutting & Packaging

• The rope is cut into standard lengths (e.g., 25m, 50m, 100m) based on common marine needs. It is then coiled neatly to prevent tangling and packaged in moisture-resistant materials (e.g., plastic wrap or woven polypropylene bags) to protect it from dust, moisture, and damage during storage and transportation.

2. Application Scope

Marine: Anchor & Mooring for Small Vessels

• Small Boat Anchoring: Ideal for anchor lines on small watercraft, including dinghies, canoes, kayaks, and small fishing boats (under 6 meters). Its 6mm diameter balances strength and lightweight handling—easy to deploy and retrieve, while the PE-nylon blend resists saltwater corrosion and seabed abrasion (e.g., sand, gravel, or smooth rocks).
• Recreational Boat Mooring: Used as dock lines or mooring lines for small sailboats, jet skis, and pontoons. The rope’s elasticity (from nylon) absorbs minor shocks from wave action or wind, preventing damage to the boat’s cleats or the dock, while PE’s water resistance ensures it does not gain weight or rot when wet.

Marine: Light-Duty Equipment Securement

• On-Deck Gear Tying: Secures lightweight on-board equipment, such as life jackets, small coolers, fenders, or fishing tackle boxes. Its compact 6mm size avoids tangling with other gear, and the twisted structure holds knots (e.g., bowline, cleat hitch) securely—even in damp conditions.
• Inflatable Toy Towing: Used to tow small inflatable water toys (e.g., single-person tubes, inflatable rafts) behind small boats. The PE-nylon blend’s flexibility and moderate stretch provide a smooth pull for riders, while its durability resists wear from water and sunlight.

Recreational: Freshwater & Coastal Activities

• Camping & Kayaking (Freshwater): Suitable for anchoring kayaks or canoes in lakes, rivers, or calm coastal inlets during fishing trips or shore exploration. Its resistance to freshwater mold and UV rays makes it reliable for extended outdoor use, and its lightweight design is easy to pack in camping gear.
• Swimming Area Markers: Used to create temporary boundary lines for swimming areas in lakes, ponds, or sheltered coastal coves. The rope’s visibility (often available in bright colors like orange or blue) and water resistance help define safe zones, while its 6mm diameter is easy to secure to buoys or shoreline stakes.

Industrial: Lightweight Tying & Temporary Securement

• Light Industrial Bundling: Bundles small, lightweight items in warehouses or construction sites—such as plastic pipes, wooden dowels, or packaging materials. Its PE-nylon blend resists damage from minor friction and indoor/outdoor moisture, making it suitable for both indoor storage and temporary outdoor use.
• Garden & Landscaping: Secures lightweight garden structures, such as small trellises, plant stakes, or temporary fencing for young plants. Its UV resistance withstands sunlight exposure, and the 6mm diameter is thin enough to avoid damaging plant stems while providing adequate support.