Uv Resistant 22mm 26mm 32mm 50mm 16 Strands 8 Strand White Nylon Rope Anchor Marine
1.PHOTOS

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 |
First, high-grade nylon polymer pellets (typically nylon 6 or nylon 66, selected for marine durability) are melted and extruded into continuous filaments via a spinneret. During extrusion, UV-resistant additives (e.g., benzotriazole-based inhibitors) are uniformly mixed into the polymer melt—this ensures the final fibers retain UV protection throughout their structure, rather than just a surface coating. The extruded filaments are then cooled, stretched to enhance tensile strength, and wound into large fiber bobbins.
The UV-treated nylon filaments are grouped into bundles and twisted into individual strands. For 8-strand ropes, filaments are formed into 8 equal-weight strands; for 16-strand ropes, the process is repeated to create 16 finer, uniform strands. Each strand is twisted at a controlled tension to ensure consistency in diameter and strength—critical for even load distribution later. The strands are then dyed white using fade-resistant, marine-safe dyes (compatible with nylon and UV inhibitors) and dried to lock in color and prevent bleeding in saltwater.
The white, UV-treated strands are fed into computer-controlled braiding machines. For both 8-strand and 16-strand designs, the machine interlaces strands in a precise pattern (usually double braid or solid braid for marine use) to achieve the target diameter (22mm, 26mm, 32mm, or 50mm). The braiding tension is adjusted based on diameter: thicker ropes (e.g., 50mm) require higher tension to ensure dense, tight weaving, while thinner ropes (e.g., 22mm) use moderate tension to maintain flexibility. This step ensures the rope’s structure is compact, resistant to water absorption, and capable of withstanding marine abrasion.
After braiding, the rope undergoes post-treatment to enhance performance:
- Heat setting: The rope is heated to a controlled temperature and cooled rapidly to stabilize its structure, preventing shrinkage in marine environments.
- Surface smoothing: A light, water-based coating (compatible with UV inhibitors) is applied to reduce friction and further resist saltwater buildup, without compromising flexibility.
Quality testing follows, including:
- Tensile strength tests to verify load-bearing capacity (critical for anchoring).
- UV resistance testing (exposing samples to simulated sunlight for 1,000+ hours to check for brittleness or strength loss).
- Diameter and strand uniformity checks to ensure compliance with 22mm/26mm/32mm/50mm specs.
- Water absorption tests to confirm minimal moisture retention.
Passed ropes are cut to standard lengths (e.g., 50m, 100m, or custom lengths for marine use) and coiled neatly to prevent tangling. They are then packaged in UV-resistant plastic wraps or woven bags to protect the rope from damage during storage and transport, ensuring it reaches end-users in optimal condition.
- Small to Large Vessels:
- 22mm–26mm 8-strand/16-strand ropes: Ideal for anchor lines of small recreational boats (e.g., fishing boats, kayaks, and 10–15ft sailboats), where lightweight flexibility and UV resistance suit short-term anchoring (e.g., day trips).
- 32mm 8-strand/16-strand ropes: Suitable for mid-sized vessels (e.g., 18–25ft yachts and houseboats), balancing strength and maneuverability for overnight or weekly anchoring in coastal bays.
- 50mm 8-strand/16-strand ropes: Designed for large boats (e.g., 30ft+ commercial vessels, charter yachts) or permanent mooring. Their thick, dense structure withstands heavy loads, strong tides, and prolonged submersion in saltwater.
- Used as mooring lines and dock lines for all vessel sizes:
- 22mm–26mm ropes: Secure small boats to docks or buoys, resisting UV damage from prolonged sun exposure on deck.
- 32mm–50mm ropes: Tie mid-sized/large vessels to piers or floating docks, absorbing shock from wave action and preventing hull damage—their UV stability ensures long-term use (6–12 months) without brittleness.
- Secures on-board gear:
- 22mm–26mm ropes: Tie down light equipment (e.g., life rafts, fenders, and fishing tackle) to deck rails, resisting saltwater corrosion and UV fading.
- 32mm–50mm ropes: Secure heavy gear (e.g., small dinghies, dive compressors, or cargo containers) during voyages, leveraging high tensile strength to prevent shifting in rough seas.
- Water sports and leisure use:
- 22mm–26mm 8-strand ropes: Serve as tow lines for water skiing, wakeboarding, or inflatable tubes, offering flexibility for smooth pulls and UV resistance for all-day sun exposure.
- 32mm ropes: Set up temporary swimming area markers or buoy lines in lakes/coastal areas, where white color enhances visibility and UV resistance ensures durability through summer seasons.
- Light-duty coastal projects:
- 32mm–50mm ropes: Assist in maintaining small coastal structures (e.g., floating docks, tide gauges, or small lighthouses), used to secure tools, lift lightweight parts, or tether maintenance boats to structures—their saltwater and UV resistance withstands harsh coastal conditions.