This 4-strand twisted rope series combines a classic, reliable 4-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:

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 |
- Lightweight & Buoyant: 4-strand PP (polypropylene) Danline rope leverages the inherent lightness of polypropylene, making it significantly less dense than water. This buoyancy ensures it floats on the water’s surface, eliminating the risk of sinking—critical for applications where retrieving the rope quickly (e.g., in water-based tasks) or avoiding entanglement with underwater objects is essential. Its lightweight nature also simplifies handling, transportation, and storage, reducing user fatigue during extended use.
- Good Tensile Strength for Light-to-Medium Loads: The 4-strand twisted construction optimizes the load-bearing capacity of PP Danline, enabling it to handle light to moderate tensile forces reliably. Each strand distributes weight evenly, preventing premature strand slippage or breakage when used for tasks like securing small loads or temporary tie-downs. While not designed for heavy industrial use, it offers consistent strength for everyday, non-extreme applications.
- Excellent Resistance to Water, Chemicals, and Mildew: Polypropylene’s non-hydrophilic properties, combined with the 4-strand structure (which minimizes water absorption), make the rope highly resistant to water damage, rot, and mildew. It also withstands exposure to common chemicals (e.g., mild detergents, fertilizers, or marine cleaning agents) without degrading or losing structural integrity. This resistance ensures longevity even in damp, humid, or chemically exposed environments.
- Abrasion Resistance for Everyday Wear: The twisted 4-strand design creates a tough, compact outer surface that resists abrasion from rough surfaces like concrete, wood, metal, or natural terrain (e.g., rocks, sand). Unlike thinner or loosely constructed ropes, it withstands repeated friction (e.g., dragging across docks or ground) without fraying, unraveling, or losing strands—extending its service life in high-wear, everyday scenarios.
- Cost-Effective & Low-Maintenance: PP Danline is inherently an economical material, and the 4-strand construction balances performance with affordability, making the rope a budget-friendly choice for non-critical applications. Additionally, its resistance to water, mildew, and chemicals means it requires minimal maintenance: no regular treatments (e.g., waterproofing sprays) or intensive cleaning are needed to preserve its functionality, reducing long-term upkeep costs.
- Recreational Water Activities: Ideal for water-based leisure tasks such as marking swimming areas, securing inflatable toys (e.g., pool floats, water tubes), or serving as a tow rope for lightweight water sports (e.g., beginner-level water skiing for children). Its buoyancy ensures visibility and easy retrieval, while its water resistance prevents damage from prolonged immersion.
- Agricultural & Horticultural Use: Used in farming and gardening for tasks like staking young plants (e.g., tomatoes, saplings), securing light irrigation hoses, or creating temporary fencing for small livestock (e.g., chickens, rabbits). Its chemical resistance stands up to fertilizers or pesticides, and its lightweight nature makes it easy to install and adjust across large outdoor areas.
- Lightweight Marine Tasks (Non-Critical): Suitable for non-essential marine uses on small boats (e.g., recreational kayaks, canoes) such as tying fenders to the hull, securing personal gear (e.g., dry bags) on deck, or marking temporary mooring spots in calm, shallow waters. Its buoyancy avoids tangling with underwater vegetation, and its water resistance ensures reliability in freshwater or mild saltwater environments.
- Construction & DIY Tie-Downs: Used for temporary tie-downs in construction or DIY projects, such as securing lightweight building materials (e.g., plywood sheets, small lumber) during transport, or holding tools (e.g., hammers, drills) to workbenches. Its abrasion resistance withstands contact with construction surfaces, and its strength is sufficient for non-heavyweight, short-term securing needs.
- Household & Outdoor Storage: Perfect for everyday household tasks like tying down tarps over outdoor furniture, securing luggage to roof racks (for light loads), or organizing garage items (e.g., bundling extension cords, tools). Its low-maintenance nature means it can be stored in garages or sheds (even in humid conditions) without deteriorating, and its affordability makes it a practical choice for frequent, low-stakes use.