3 Strand 8 Strand 12 Strand Nylon pp polyester Marine Mooring Rope
1. General Description
QINGDAO JINCHENG MARITIME has serial products including varieties of nylon, polypropylene filament, polypropylene, polypropylene polyester mixed, polyester.Imported Germany technology, the products have advantages of reasonable braided structure, scientific technology, high strength, low elongation, wearing resistance, anti -corrosion and simple operation. the products are mainly used in fields of shipbuilding, ocean transportation, national defense and
military industry, sea petroleum and harbor operation.

2.Main performance
Material 材料 | Polyamide Multifilament 锦纶复丝 | Polyamide Yarn 锦纶线 | Polypropylene Multifilament 丙纶长丝 | Polypropylene 丙纶 | Polyester 涤纶 | Polypropylene and Polyester Mixed 涤纶丙纶混合 |
Spec.Density 比重 | 1.14 no floating | 1.14 not floating | 0.91 no floating | 0.91 Floating | 1.27 no floating | 0.95 Floating |
Melting Point 熔点 | 215℃ | 215℃ | 165℃ | 165℃ | 260℃ | 165℃/260℃ |
Abrasion Resistance 耐磨性 | Very Good | Very Good | Medium | Medium | Good | Good |
U.V.Resistance 防紫外线 | Very Good | Very Good | Medium | Medium | Good | Good |
Temperature resistance 使用环境 | 120℃max | 120℃max | 70℃max | 70℃max | 120℃max | 80℃max |
Chemical resistance 耐化学腐蚀性 | Very Good | Very Good | Good | Good | Good | Good |
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
Specification 规格 | PA Multifilament 锦纶复丝 | PAYarn 锦纶 | PPMultifilament 丙纶长丝 | Polypropylene 丙纶 | Polyester 涤纶 | PET/PP Mixed 丙纶/涤纶混合绳 |
Dia. | Cir | Ktex | KN | Ktex | KN | Ktex | KN | Ktex | KN | Ktex | KN | Ktex | KN |
直径 | 圆 周 | 线密度 | 破断强力 | 线密度 | 破断强力 | 线密度 | 破断强力 | 线密度 | 破断强力 | 线密度 | 破断强力 | 线密度 | 破断强力 |
20 | 2-1/2 | 247 | 81 | 247 | 70 | 189 | 64 | 180 | 58 | 303 | 64 | 194 | 70 |
24 | 3 | 355 | 114 | 355 | 101 | 273 | 89 | 260 | 81 | 437 | 91 | 279 | 98 |
28 | 3-1/2 | 484 | 152 | 484 | 133 | 373 | 118 | 355 | 107 | 594 | 122 | 380 | 133 |
32 | 4 | 632 | 196 | 632 | 169 | 483 | 148 | 460 | 135 | 778 | 157 | 497 | 170 |
36 | 4-1/2 | 800 | 245 | 800 | 210 | 614 | 186 | 585 | 169 | 982 | 194 | 629 | 214 |
40 | 5 | 987 | 300 | 987 | 253 | 756 | 226 | 720 | 205 | 1215 | 240 | 776 | 262 |
44 | 5-1/2 | 1190 | 358 | 1190 | 303 | 924 | 271 | 880 | 246 | 1468 | 285 | 939 | 314 |
48 | 6 | 1420 | 420 | 1420 | 355 | 1092 | 315 | 1040 | 286 | 1750 | 336 | 1110 | 371 |
52 | 6-1/2 | 1670 | 489 | 1670 | 413 | 1281 | 364 | 1220 | 331 | 2050 | 392 | 1320 | 432 |
56 | 7 | 1930 | 561 | 1930 | 473 | 1491 | 416 | 1420 | 378 | 2380 | 448 | 1520 | 499 |
60 | 7-1/2 | 2220 | 640 | 2220 | 539 | 1721 | 476 | 1630 | 433 | 2730 | 499 | 1750 | 569 |
64 | 8 | 2530 | 723 | 2530 | 603 | 1943 | 539 | 1850 | 490 | 3110 | 579 | 1990 | 644 |
72 | 9 | 3200 | 905 | 3200 | 759 | 2457 | 676 | 2340 | 615 | 3930 | 721 | 2520 | 805 |
80 | 10 | 3950 | 1102 | 3950 | 928 | 3045 | 832 | 2900 | 756 | 4850 | 884 | 3110 | 982 |
88 | 11 | 4780 | 1326 | 4780 | 1106 | 3686 | 998 | 3510 | 907 | 5870 | 1061 | 3750 | 1183 |
96 | 12 | 5690 | 1561 | 5690 | 1301 | 4379 | 1178 | 4170 | 1071 | 6990 | 1255 | 4470 | 1397 |
104 | 13 | 6670 | 1816 | 6670 | 1556 | 5145 | 1351 | 4900 | 1228 | 8220 | 1448 | 5260 | 1622 |
112 | 14 | 7740 | 2091 | 7740 | 1775 | 5985 | 1560 | 5700 | 1418 | 9500 | 1652 | 6050 | 1877 |
120 | 15 | 8880 | 2387 | 8880 | 2027 | 6B25 | 1791 | 6500 | 1628 | 10900 | 1902 | 6980 | 2142 |
128 | 16 | 10110 | 2703 | 10100 | 2296 | 7770 | 2022 | 7400 | 1838 | 12400 | 2152 | 7950 | 2417 |
136 | 17 | 11400 | 3040 | 11400 | 2584 | 8820 | 2276 | 8400 | 2069 | 14000 | 2448 | 8950 | 2713 |
144 | 18 | 12800 | 3386 | 12800 | 2889 | 9780 | 2540 | 9400 | 2309 | 15700 | 2703 | 10100 | 3029 |
160 | 20 | 15800 | 4141 | 15800 | 3565 | 12100 | 3112 | 11521 | 2829 | 19400 | 3335 | 12500 | 3703 |
- Superior Load-Bearing & Tensile Strength: The combined use of nylon, PP (polypropylene), and polyester—paired with 3/8/12-strand constructions—delivers exceptional tensile strength tailored to marine mooring demands. Nylon contributes high elasticity to absorb shock from waves or wind, polyester adds rigidity for stable load distribution, and PP enhances lightweight durability. Strands (whether 3 for basic strength, 8 for balanced flexibility, or 12 for maximum load capacity) distribute mooring forces evenly, preventing strand breakage even when securing boats to docks or buoys under moderate to heavy tension.
- Exceptional Resistance to Marine Environments: This rope is engineered to withstand harsh marine conditions. Polyester and PP resist saltwater corrosion, while nylon’s inherent water resistance prevents rot or mildew growth—critical for ropes left submerged or exposed to humid, salt-laden air. All three materials also tolerate UV radiation from prolonged sun exposure without fading, brittling, or losing structural integrity, ensuring longevity in open-water or coastal mooring scenarios.
- Controlled Elasticity & Shock Absorption: Nylon’s natural elasticity (complemented by the strand structure) allows the rope to stretch slightly under sudden loads—such as when a boat shifts in rough waters—absorbing impact forces that would otherwise damage the vessel or mooring hardware. The 3/8/12-strand designs further refine this elasticity: 3-strand offers moderate stretch for small boats, 8-strand balances stretch and stability for mid-sized vessels, and 12-strand provides controlled give for larger boats, preventing both excessive slack and rigid tension.
- Abrasion Resistance for Dock & Hardware Contact: The twisted or braided 3/8/12-strand construction creates a dense, tough outer surface that resists abrasion from dock edges, metal cleats, or concrete pilings. Unlike single-strand or loosely woven ropes, it withstands repeated rubbing (e.g., when a boat drifts against the dock) without fraying, unraveling, or wearing thin. This durability ensures the rope maintains its strength even with regular contact with hard marine surfaces.
- Versatile Strength-to-Weight Ratio: The blend of nylon, PP, and polyester optimizes the rope’s strength-to-weight ratio, making it suitable for diverse mooring needs. PP reduces overall weight (easing handling and installation), while nylon and polyester boost strength. The 3/8/12-strand options further enhance versatility: 3-strand is lightweight for small boats, 8-strand offers a middle ground for recreational vessels, and 12-strand provides heavy-duty strength for larger boats or commercial watercraft—all without excessive bulk.
- Recreational Boat Mooring: Ideal for mooring small to mid-sized recreational vessels (e.g., kayaks, canoes, sailboats, and powerboats) at private docks, marinas, or temporary mooring buoys. 3-strand variants work well for lightweight kayaks/canoes, 8-strand for sailboats, and 12-strand for larger powerboats—all securing vessels safely against wind, waves, and tide shifts while resisting saltwater damage.
- Marina & Dock Infrastructure: Used in marina operations to secure dock sections, floating platforms, or gangways. The rope’s abrasion resistance stands up to constant contact with metal or wooden dock components, and its UV/water resistance ensures long-term reliability in permanent marina setups. 8 or 12-strand options are preferred for heavier dock sections, while 3-strand suits lighter floating platforms.
- Small Commercial Vessel Mooring: Suitable for mooring small commercial watercraft (e.g., fishing skiffs, tour boats, or workboats) during loading/unloading or overnight stays. The rope’s shock absorption protects vessels from damage during busy marina activity, and its corrosion resistance handles daily exposure to saltwater. 12-strand variants are often used for heavier commercial boats, while 8-strand works for smaller fishing skiffs.
- Temporary Anchoring & Storm Securement: Used as a secondary or temporary anchor line for boats during short stops (e.g., fishing breaks) or as additional securing lines during storms. Nylon’s elasticity helps absorb storm-driven wave impacts, preventing the boat from pulling free or sustaining damage. 8 or 12-strand options provide extra strength for storm use, while 3-strand is sufficient for temporary anchoring in calm waters.
- Freshwater & Coastal Mooring: Effective for mooring in both freshwater (e.g., lakes, rivers) and coastal saltwater environments. In freshwater, its mildew resistance prevents degradation from damp conditions; in saltwater, its corrosion resistance withstands salt exposure. All strand counts (3/8/12) work across these settings, with strand choice determined by vessel size—ensuring reliable mooring for boats in diverse aquatic locations.