This 3-strand twisted rope series combines a classic, reliable 3-strand twisted structure with three high-performance synthetic materials (Polyester, Nylon, PP) and four large diameters (38mm/40mm/50mm/60mm). The design prioritizes load-bearing capacity, durability, and adaptability to heavy-duty scenarios—from marine operations to industrial lifting—while the material and diameter options let users tailor the rope to specific environmental and strength requirements. Below are its core features and targeted uses:
- Versatile Strength Across Strand Counts & Materials: Both nylon and PP (polypropylene) braided ropes leverage their strand structures to deliver tailored strength. 3/4-strand options offer reliable tensile strength for light-to-medium loads, while 8/12-strand designs distribute weight more evenly across fibers, boosting load-bearing capacity for heavy-duty use. Nylon adds superior elasticity to handle dynamic tension (e.g., sudden pulls), while PP provides consistent dry strength—making the rope adaptable to diverse weight requirements.
- Dual Resistance to Moisture & Harsh Environments: PP is inherently water-resistant and floats, avoiding water absorption (which prevents weight gain or mildew). Nylon, when braided (especially 8/12-strand), minimizes water retention and resists degradation from saltwater, freshwater, or humidity. Both materials resist rot, mold, and corrosion from chemicals (e.g., pool chlorine, marine salt spray), ensuring durability in wet or damp settings.
- Abrasion Resistance for Longevity: The braided construction—regardless of strand count—creates a tight, smooth outer surface that withstands friction. 8/12-strand designs, with more interwoven fibers, offer enhanced abrasion protection against rough surfaces (e.g., concrete docks, metal hardware, rocky terrain) compared to 3/4-strand variants. This prevents fraying or strand breakage, extending the rope’s lifespan in high-wear applications.
- Controlled Flexibility & Handling Ease: Braided nylon/PP ropes balance flexibility with structural stability. 3/4-strand options are lightweight and easy to knot, handle, or store (ideal for quick tasks), while 8/12-strand ropes maintain flexibility despite their higher density—allowing them to wrap around irregular shapes (e.g., boat cleats, cargo) without kinking. This makes the rope user-friendly for both professionals and casual users.
- UV Stability & Weather Durability: Both materials are formulated with UV inhibitors (enhanced in braided structures), protecting against sunlight-induced brittleness or discoloration. PP resists UV damage well in dry conditions, while braided nylon (especially 8/12-strand) shields inner fibers from prolonged sun exposure. This ensures the rope retains performance in outdoor, exposed environments (e.g., mooring, camping).
- Marine & Boating Use: 8/12-strand braided nylon is ideal for boat mooring, anchor lines, or docking—its strength and elasticity absorb wave shocks, while saltwater resistance prevents degradation. 3/4-strand PP works for fender lines, inflatable toy towing (e.g., water tubes), or temporary markers (it floats, aiding visibility in water).
- Cargo Securement & Logistics: 8/12-strand variants (nylon/PP blend) secure heavy cargo on trucks, trailers, or ships—even load distribution and abrasion resistance protect both cargo and rope. 3/4-strand PP is used for light loads (e.g., boxes, camping gear) due to its lightweight handling and moisture resistance.
- Recreational & Outdoor Activities: 3/4-strand PP suits camping (tent guy lines, gear tying) or hiking (trail markers)—it’s lightweight and quick to knot. 8/12-strand nylon works for water sports (water skiing, wakeboarding) or climbing auxiliary lines (its elasticity and strength enhance safety).
- Agricultural & Rural Tasks: 3/4-strand PP is used for fencing (temporary animal enclosures), tying hay bales, or irrigation line securing—moisture resistance withstands farm humidity. 8/12-strand nylon handles heavier tasks (e.g., pulling small farm equipment) due to its higher load capacity.
- Industrial & Maintenance Work: 8/12-strand braided nylon/PP is used for lifting light machinery (e.g., workshop tools) or securing equipment during repairs—abrasion and UV resistance stand up to industrial environments. 3/4-strand PP works for cleaning (e.g., pressure washer line guides) or temporary barrier ropes (easy to install and remove).

2. Main performance
Material | Polyamide Multifilament | Polyamide Yarn | Polypropylene Multifilament | Polypropylene | Polyester | Polypropylene and Polyester Mixed |
Spec.Density | 1.14 no floating | 1.14 not floating | 0.91 no floating | 0.91 Floating | 1.27 no floating | 0.95 Floating |
Melting Point | 215℃ | 215℃ | 165℃ | 165℃ | 260℃ | 165℃/260℃ |
Abrasion Resistance | Very Good | Very Good | Medium | Medium | Good | Good |
U.V.Resistance | Very Good | Very Good | Medium | Medium | Good | Good |
Temperature resistance | 120℃max | 120℃max | 70℃max | 70℃max | 120℃max | 80℃max |
Chemical resistance | 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 | PP Multifilament 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 |
4 | 1/2 | 10 | 3.7 | 10 | 2.6 | 6.3 | 2.3 | 6 | 2.1 | 12 | 2.9 | 7.0 | 2.8 |
6 | 3/4 | 22 | 7.9 | 22 | 6 | 18 | 6.5 | 17 | 5.9 | 27 | 5.6 | 17.5 | 6.8 |
8 | 1 | 40 | 13.8 | 40 | 10.9 | 32 | 11.4 | 30 | 10.4 | 48 | 10.0 | 31 | 11.9 |
10 | 1-1/4 | 62 | 21.2 | 62 | 15.7 | 47 | 16.8 | 45 | 15.3 | 76 | 15.6 | 48.5 | 18.2 |
12 | 1-1/2 | 89 | 30.1 | 89 | 24.1 | 68 | 23.9 | 65 | 21.7 | 110 | 22.3 | 69.9 | 25.7 |
14 | 1-3/4 | 121 | 40.0 | 121 | 33.0 | 95 | 32.9 | 90 | 29.9 | 148 | 31.2 | 95.1 | 34.7 |
16 | 2 | 158 | 51.9 | 158 | 42.5 | 121 | 40.7 | 115 | 37.0 | 195 | 39.8 | 124 | 44.8 |
18 | 2-1/4 | 200 | 64.3 | 200 | 53.9 | 155 | 51.9 | 148 | 47.2 | 245 | 49.8 | 157 | 56.1 |
20 | 2-1/2 | 247 | 79.2 | 247 | 66.7 | 189 | 62.6 | 180 | 56.9 | 303 | 62.3 | 194 | 68.7 |
22 | 2-3/4 | 299 | 94.0 | 299 | 80.4 | 231 | 75.0 | 220 | 68.2 | 367 | 74.7 | 235 | 82.1 |
24 | 3 | 355 | 112 | 355 | 93.6 | 273 | 87.7 | 260 | 79.7 | 437 | 89.6 | 279 | 96.3 |
26 | 3-1/4 | 417 | 129 | 417 | 111.5 | 320 | 101 | 305 | 92.2 | 512 | 105 | 328 | 113 |
28 | 3-1/2 | 484 | 149 | 484 | 127 | 373 | 115 | 355 | 105 | 594 | 120 | 380 | 130 |
30 | 3-3/4 | 555 | 169 | 555 | 143 | 425 | 132 | 405 | 120 | 682 | 134 | 437 | 148 |
32 | 4 | 632 | 192 | 632 | 161 | 483 | 146 | 460 | 132 | 778 | 154 | 497 | 167 |
36 | 4 - 1/ 2 | 800 | 240 | 800 | 200 | 614 | 182 | 585 | 166 | 982 | 190 | 629 | 210 |
40 | 5 | 987 | 294 | 987 | 241 | 756 | 221 | 720 | 201 | 1215 | 235 | 776 | 257 |
44 | 5-1/2 | 1190 | 351 | 1190 | 289 | 924 | 266 | 880 | 242 | 1468 | 275 | 939 | 308 |
48 | 6 | 1420 | 412 | 1420 | 338 | 1092 | 308 | 1040 | 280 | 1750 | 329 | 1110 | 364 |
52 | 6-1/2 | 1670 | 479 | 1670 | 393 | 1281 | 357 | 1220 | 325 | 2050 | 384 | 1320 | 424 |
56 | 7 | 1930 | 550 | 1930 | 450 | 1491 | 408 | 1420 | 371 | 2380 | 439 | 1520 | 489 |