Durable Uhmwpe pp polyester - Reinforced 8 12 Strand 20mm - 70mm Double Braided Nylon Rope For Marin
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 |
- Enhanced Tensile Strength & Load Durability: The "reinforced" design—typically incorporating a high-strength core (e.g., synthetic fiber or composite filaments) paired with 8 or 12 outer strands—significantly boosts the rope’s overall tensile capacity. This structure allows it to handle heavier static and dynamic loads than non-reinforced 8/12 strand ropes, with the core and outer strands working in tandem to distribute stress evenly. It resists strand slippage or breakage even under prolonged heavy use, making it reliable for high-load scenarios.
- Superior Abrasion & Cut Resistance: The reinforced construction adds a dense, tough outer layer (from the 8/12 stranded weave) and a robust inner core, creating dual protection against abrasion. It withstands friction against rough surfaces like concrete, metal, rocks, or industrial machinery without fraying, splitting, or losing structural integrity. Additionally, the reinforced core enhances resistance to accidental cuts or snags, reducing the risk of sudden failure in harsh environments.
- Optimal Flexibility Without Compromising Strength: Unlike rigid, heavy-duty ropes, reinforced 8/12 strand rope maintains good flexibility due to its stranded design. The multiple strands allow it to bend, knot, and wrap around hardware (e.g., cleats, pulleys, hooks) easily, while the reinforced core ensures flexibility does not come at the cost of strength. This balance makes it easy to handle manually or feed through equipment, even in tight spaces.
- Weather & Chemical Resistance: Most reinforced 8/12 strand ropes are made with synthetic materials (e.g., nylon, polyester) that, when combined with the reinforced structure, offer strong resistance to environmental factors. They repel moisture to prevent mildew, rot, or weight gain; resist UV degradation to avoid brittleness under prolonged sunlight; and stand up to mild chemicals (e.g., industrial cleaners, saltwater) without fiber breakdown. This durability ensures consistent performance in outdoor, marine, or industrial settings.
- Stability & Shape Retention: The reinforced core prevents the rope from stretching excessively or losing its shape over time. Even under repeated loading, unloading, or exposure to temperature fluctuations, it maintains its original diameter and strand alignment. This stability eliminates "bagging" (sagging from stretch) or strand separation, ensuring reliable performance in applications where consistent length and structure are critical (e.g., lifting, mooring).
- Industrial Lifting & Rigging: Ideal for light to medium-duty lifting tasks in warehouses, construction sites, or manufacturing facilities—such as hoisting tools, small equipment, or packages. Its enhanced tensile strength handles lifting loads safely, while flexibility allows it to be paired with hooks, pulleys, or winches. Abrasion resistance also stands up to contact with metal rigging hardware or concrete surfaces.
- Marine Mooring & Towing (Small to Mid-Sized Vessels): Suitable for mooring boats, yachts, or small commercial vessels to docks, buoys, or pilings. The reinforced structure resists saltwater corrosion and wave-induced stress, while flexibility makes it easy to tie secure knots. It is also used for towing dinghies, jet skis, or small workboats, where its strength and shock absorption protect both the towing and towed vessels.
- Outdoor & Recreational Use: Perfect for camping, hiking, and adventure activities—such as securing tents, hanging gear, or creating temporary shelters. Its weather resistance withstands rain, sunlight, and dirt, while flexibility allows for easy adjustment. It is also used in recreational climbing (light-duty, non-technical) or tree care (securing branches during trimming), thanks to its strength and grip.
- Agricultural & Farming Operations: Used in farms for tasks like securing hay bales, tying down farm equipment (e.g., tractors, trailers) during transport, or supporting lightweight fencing. The rope’s durability resists exposure to mud, animal waste, and farm chemicals, while its flexibility makes it easy to handle in outdoor, uneven terrain.
- Utility & Maintenance Work: Suitable for utility tasks like securing ladders during maintenance, hanging signage, or pulling small cables (e.g., electrical or communication lines) in residential or commercial areas. Its cut and abrasion resistance protects against contact with walls, poles, or sharp edges, while stability ensures it stays in place during work.