Product Specification

High Quality 8 Strands Polypropylene Polysteel Rope PP Twisted Cord High Strength Nylon Floating Rope

1. General Description

QINGDAO JINCHENG MARITIME has serial products including varieties of nylon, polypropylene filament, polypropylene, polypropylene /polyester mixed, polyester. It started a new epoch of rope and cable industry in the country and its products have advantages of reasonable braided structure, scientific technology, high strength, low elongation,wearing resistance, anti-corrosion and simple operation, it is particularly suitable to make large scale ropes and cables as well as anti -static ropes therefore they are well received by broad customers, The products are mainly used in fields of shipbuilding, ocean transportation, national defense and military industry, sea petroleum and harbor operation etc.

Key Features & Applications of 8 Strands Polypropylene Polysteel Rope

 Core Features

1. 8-Strand Structure + Polysteel Reinforcement for Superior Tensile Strength
   The 8-strand design (more strands than standard 3/4-strand ropes) ensures even tension distribution across the rope’s cross-section, minimizing stress concentration on single strands. When paired with a Polysteel core (e.g., embedded steel wires or high-modulus synthetic fibers), the rope’s load-bearing capacity is significantly boosted—far exceeding that of pure PP ropes. It resists stretching, deformation, and breakage under heavy loads (e.g., securing large cargo or mooring mid-sized vessels), making it reliable for high-stress tasks.
2. Dual Protection Against Corrosion & Wear

• Polypropylene outer strands: PP is inherently water-repellent, non-absorbent, and immune to rot, mildew, or chemical erosion from saltwater, fertilizers, or industrial cleaners. This shields the rope from external environmental damage.
• Polysteel core: Steel components (if used) are often galvanized or coated to prevent rust, while synthetic Polysteel cores offer inherent resistance to oxidation. Additionally, the tight 8-strand interweaving creates a dense outer surface that resists fraying and abrasion—even when rubbing against metal hardware, concrete, or rocky surfaces. This dual protection extends the rope’s service life in harsh conditions.

3. Balanced Flexibility & Knot Stability
   Despite its Polysteel reinforcement, the 8-strand braided/twisted structure maintains better flexibility than thick single-strand steel ropes. It bends smoothly around cleats, winches, or hooks without kinking, and the PP outer strands provide a textured surface that enhances knot grip. Common knots (e.g., cleat hitches, bowlines, or trucker’s hitches) stay tight and slip-resistant—critical for applications where rope stability directly impacts safety (e.g., mooring or cargo lashing).
4. Lightweight Design for Easy Handling
   Compared to full-steel ropes of the same strength, the PP outer strands keep the rope significantly lighter. This reduces user fatigue during transport, deployment, or manual adjustment—especially important for tasks like agricultural towing (carrying ropes across fields) or marine operations (quickly adjusting mooring lines). Its lightweight nature also lowers storage and transportation costs, as it requires less space and can be handled by fewer workers.
5. UV Resistance & Weather Durability
   Polypropylene outer strands are typically treated with UV stabilizers, while Polysteel cores (whether steel or synthetic) are engineered to withstand prolonged sun exposure. Unlike pure cotton or uncoated ropes that degrade quickly under UV rays, this rope retains its strength and structural integrity in outdoor environments—from hot agricultural fields to sunny coastal marinas. It also performs well in temperature fluctuations (resisting brittleness in cold weather or softening in heat).

Typical Applications

1. Marine Mooring & Towing
   Ideal for mooring mid-sized vessels (e.g., fishing boats, small yachts, or workboats) in coastal harbors, bays, or inland waterways. Its high strength handles vessel movement from waves or wind, while corrosion resistance stands up to saltwater. It is also used for towing small barges or watercraft, where reliable load-bearing and flexibility are essential.
2. Industrial Cargo Securing
   Widely used in logistics and transportation to secure heavy cargo on trucks, trailers, or shipping containers. Its tensile strength prevents cargo shifting during transit, and its knot stability ensures loads stay secure even on bumpy roads or during sea transport. It is also compatible with standard cargo hardware (e.g., ratchets, hooks) for easy deployment.
3. Agricultural Operations
   Suitable for heavy-duty agricultural tasks such as towing farm machinery (e.g., tractors, harvesters), securing hay bales, or staking large crops. Its corrosion resistance withstands exposure to fertilizers and irrigation water, while its lightweight design makes it easy to carry across fields. It also resists wear from contact with rough farm equipment.
4. Construction Site Uses
   Used on construction sites to secure scaffolding, lift light building materials (e.g., pipes, lumber), or stabilize temporary structures (e.g., tents, barriers). Its abrasion resistance handles contact with concrete and metal, and its weather durability ensures performance in rain, sun, or cold—critical for outdoor construction projects.
5. Recreational & Utility Applications
   For recreational use, it serves as durable anchor lines for large inflatable boats or jet skis, or as climbing ropes for low-risk activities (e.g., tree trimming). In utility work, it is used to pull small electrical cables or secure utility poles during maintenance—thanks to its strength, flexibility, and resistance to environmental damage.

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