Product Details
- Exceptional Floatability: Made from polypropylene (PP), this rope is inherently lightweight
and buoyant, enabling it to float on freshwater and saltwater
surfaces. Unlike denser fibers that sink, its floatability
eliminates the risk of the rope sinking, tangling with underwater
obstacles (e.g., propellers, seabed debris), or becoming hard to
retrieve after contact with water. This is critical for marine and
shipping tasks where rope visibility and accessibility on water are
essential.
- High Resistance to Saltwater, Moisture, and Chemicals: PP is naturally resistant to degradation from saltwater, a key
requirement for marine use—this rope does not rot, swell, or lose
strength when exposed to salt spray, tidal waters, or prolonged
submersion. It also repels moisture, avoiding mold growth or weight
gain, and withstands contact with common shipping/harbor chemicals
(e.g., mild cleaning agents, fuel residues) without fiber
breakdown, ensuring durability in harsh marine and port
environments.
- Vibrant 3-Color Visibility (Yellow-Blue-White): The twisted 3-strand structure incorporates yellow, blue, and
white colors, creating high visual contrast against water, ship
hulls, docks, or coastal landscapes. This enhanced visibility
reduces the risk of accidental entanglement (e.g., with boat
engines, shipping equipment) and makes the rope easy to locate in
low-light conditions (e.g., dawn, dusk, or overcast weather). It
also aids in identifying specific rope functions (e.g., marking
mooring zones, separating cargo lines) in busy shipping areas.
- Durable 3-Strand Twisted Construction: The 3-strand twisted design provides balanced strength and
structural stability. Each strand interlocks tightly, distributing
tension evenly across the rope to handle moderate loads (e.g.,
securing cargo, mooring small vessels) without strand slippage or
fraying. The twist also enhances the rope’s resistance to abrasion
against rough surfaces like metal ship cleats, concrete docks, or
cargo containers, extending its service life with repeated use.
- Lightweight and Easy Handling: PP is a lightweight material, and the 3-strand twisted structure
keeps the rope flexible and easy to manipulate. It coils compactly
for storage on ships or docks, requires minimal effort to
deploy/retrieve, and does not cause operator fatigue during long
tasks (e.g., tying down cargo, adjusting mooring lines). Unlike
heavier rope types, it remains manageable even when wet, as it does
not absorb water or gain significant weight.
- Marine Mooring for Small to Medium Vessels: Used as mooring lines or dock lines for small boats, fishing
vessels, or leisure craft. Its floatability ensures it stays
visible on water, while saltwater resistance prevents degradation
in coastal marinas. The 3-strand twist provides enough strength to
secure vessels against mild winds and tides, and the bright colors
make it easy to monitor for slack or tangles.
- Shipping Cargo Securement: Ideal for securing lightweight to medium-weight cargo (e.g.,
packages, small containers, or deck equipment) on ships, ferries,
or transport vessels. Its lightweight nature avoids adding
unnecessary weight to cargo loads, while the twisted structure
maintains tension to keep items stable during rough seas. The
moisture resistance also protects the rope (and cargo) from rain or
sea spray during transit.
- Harbor and Dock Safety Marking: Used to mark safe zones, hazards, or temporary boundaries in
harbors, ports, or marina areas. For example, it can outline
swimming areas near docks, mark the edge of shallow water zones, or
separate vessel parking lanes. The yellow-blue-white color
combination ensures high visibility for boat operators and
pedestrians, reducing collision risks in busy port environments.
- Recreational Marine Activities: Suitable for recreational uses like water sports (e.g., marking
wakeboarding zones, securing inflatable toys) or camping on coastal
shores. Its floatability makes it easy to retrieve if it falls
overboard, and the vibrant colors help users track the rope in open
water. It can also be used as a temporary anchor line for kayaks,
canoes, or small sailboats during short stops.
- Temporary Towing and Assistance in Calm Waters: Used for light-duty towing of small watercraft (e.g., dinghies,
jet skis) behind larger boats or assisting stranded vessels in
calm, sheltered waters. Its lightweight design allows for easy
handling during towing, while the PP material’s durability resists
wear from water and boat hardware. The bright colors also make the
tow line visible to other vessels, reducing collision risks.
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 |
Company Profile
Since its establishment in 2005, Qingdao Jincheng Maritime
Technology Co., Ltd. has been steadily advancing in the maritime
technology field for nearly two decades. The company focuses on the
core business of manufacturing marine supplies, always adhering to
the concepts of innovation and excellence, and is committed to
providing comprehensive and high-quality products and services to
the global maritime industry.
In terms of product manufacturing, the company has a rich and
diverse product line, covering marine navigation equipment, marine
safety protection supplies, marine interior decorations, and
various functional accessories for ships. From precise navigation
instruments to sturdy and durable life-saving equipment, from
comfortable and beautiful cabin interiors to efficient and
practical marine tools, every product undergoes strict quality
control to ensure compliance with international standards and
industry specifications.
The company attaches great importance to technological research and
development and innovation. It has formed a research and
development team composed of senior maritime engineers,
professional technicians, and innovative talents. The team
continuously explores cutting-edge technologies, actively
introduces new materials and processes, and continuously optimizes
product performance to meet the growing intelligent and green
demands of the maritime industry. At the same time, the company has
established long-term and stable cooperative relationships with
many well-known domestic and foreign universities and scientific
research institutions. Through the collaborative innovation of
industry, university, and research, it accelerates the
transformation of scientific research achievements and injects a
continuous stream of impetus into the company's development.
With reliable product quality, advanced technological level, and a
complete after-sales service system, Qingdao Jincheng Maritime
Technology Co., Ltd. has won a good reputation and wide recognition
in the industry. Its products not only sell well in major domestic
ports and shipbuilding enterprises but also are exported to many
countries and regions overseas. The company has established
long-term cooperative relationships with many internationally
renowned shipping companies. Looking to the future, the company
will continue to forge ahead, continuously enhance its core
competitiveness, and contribute to the advancement of maritime
technology and the development of the global shipping industry.