8 Strands Rope pp Fibre Rope 8 mm to 30 mm Used in Marine for Mooring Towing Lifting String

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.

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

Key Features and Applications of 8-Strand Mooring Lines

I. 5 Core Features

1. Balanced Strength & Flexibility
   8-strand construction strikes an optimal balance between tensile strength and flexibility. Its symmetrical strand arrangement ensures even load distribution, enabling it to withstand moderate berthing forces and dynamic tension from waves. Unlike stiffer multi-strand options (e.g., 12-strand), it offers better maneuverability for manual handling, making it suitable for scenarios where both strength and ease of bending are required.
2. Good Abrasion Resistance
   The tightly woven 8-strand structure creates a dense, smooth surface that minimizes wear from contact with bollards, winches, or rough coastal surfaces. When made from synthetic materials (e.g., polyester or polypropylene), it resists surface fraying and damage—outperforming traditional 3-strand lines in high-contact environments, such as frequent mooring/docking operations.
3. Cost-Effective Durability
   Compared to high-end 12-strand or steel mooring lines, 8-strand variants offer reliable longevity at a more budget-friendly price point. Their simple yet robust design reduces manufacturing complexity, while synthetic 8-strand lines avoid rust (unlike steel) and require less frequent replacement than weaker 3-strand options—ideal for users seeking value without compromising on service life.
4. Stable Performance in Mild-to-Moderate Conditions
   8-strand lines maintain consistent performance in typical marine environments: they resist saltwater degradation, mild UV exposure, and temperature fluctuations (from cool coastal waters to warm harbors). While not designed for extreme offshore conditions (e.g., hurricane-force winds), they excel in calm to moderately rough waters, ensuring predictable mooring security for daily use.
5. Easy Inspection & Maintenance
   The 8-strand’s open yet structured weave allows for quick visual inspection of internal strand integrity—users can easily spot signs of wear, fraying, or damage without specialized tools. Additionally, synthetic 8-strand lines require minimal maintenance: no lubrication (unlike steel) and only occasional cleaning to remove salt or debris, reducing operational downtime.

II. Typical Applications

• Small-to-Medium Vessels: Ideal for yachts, fishing boats, pleasure crafts, and small commercial vessels (e.g., coastal cargo ships under 500 GT), where berthing forces are moderate and manual handling is common.
• Coastal & Harbor Mooring: Used for long-term or temporary mooring in calm harbors, marinas, or coastal docks—where exposure to extreme weather is limited, and cost-effectiveness is a priority.
• Recreational Marine Activities: Popular among boat owners for docking at marinas, anchoring in sheltered bays, or towing small watercraft (e.g., jet skis), thanks to its balance of flexibility and strength.
• Light Industrial Use: Suitable for non-extreme industrial scenarios, such as mooring workboats at construction sites (e.g., coastal dredging projects) or securing floating docks/piers in calm waters.
• Backup Mooring Lines: Serves as a reliable backup for larger vessels (e.g., medium tankers) or offshore structures, providing additional security in mild conditions while the primary (high-strength) mooring system remains active.