Descrizione di prodotto

3 Strand Nylon Twisted Rope 20mm/22mm/24mm Marine Grade Mooring Rope

3 Strand Nylon Twisted Rope 20mm/22mm/24mm Marine Grade Mooring Rope 0

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

3 Strand Nylon Twisted Rope 20mm/22mm/24mm Marine Grade Mooring Rope 1

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

Production Process

Step 1: Material Selection & Preparation

High-quality marine-grade nylon filaments are selected as the base material, prioritizing filaments with high tensile strength, saltwater resistance, and UV stability—critical properties for withstanding harsh marine environments. The nylon filaments are first unwound from spools and passed through a tension-control system to ensure consistent fiber alignment, preventing uneven stress during subsequent processing. Any defective filaments (e.g., with cracks or uneven thickness) are removed to avoid compromising the final rope’s durability.

Step 2: Fiber Stranding (Yarn Formation)

The prepared nylon filaments are grouped into smaller bundles (called “yarns”) and twisted together using a stranding machine. This twisting process imparts initial strength to the yarns and ensures tight cohesion between filaments. Multiple strands of these twisted yarns are then combined to form three separate “core strands”—the foundational components of the 3-strand rope. The number of yarns per core strand is adjusted to match the target diameter (20mm, 22mm, or 24mm), with thicker diameters requiring more yarns per strand.

Step 3: Core Strand Heat Setting

The three core strands undergo a heat-setting treatment to stabilize their structure. This involves passing the strands through a controlled-heat oven (typically at 120–160°C) and then rapidly cooling them. Heat setting prevents the strands from unraveling or shrinking later, ensures consistent twist retention, and enhances the rope’s resistance to stretching under marine loads (e.g., tides or wind). It also helps lock in the nylon’s inherent water-resistant properties.

Step 4: 3-Strand Twisting (Rope Formation)

The three heat-set core strands are fed into a large twisting machine (called a “rope twister”) at a synchronized speed. The machine twists the three strands together in a clockwise or counterclockwise direction (depending on design specifications) to form the final 3-strand twisted rope. The twist density is carefully calibrated: too loose a twist reduces strength, while too tight a twist causes brittleness. During this step, the rope’s diameter is monitored in real time to ensure it meets the 20mm, 22mm, or 24mm target—adjustments to yarn count or twist speed are made if deviations occur.

Step 5: Surface Treatment & Quality Inspection

After twisting, the rope undergoes a surface treatment to enhance its marine performance. This typically includes:

A UV-inhibitor coating to boost resistance to sunlight-induced degradation;
A water-repellent finish to minimize moisture absorption and prevent mildew;
A smoothness treatment to reduce friction (critical for mooring, where the rope rubs against docks or cleats).

The finished rope is then inspected for quality: technicians check diameter consistency, tensile strength (via load-testing samples), twist uniformity, and surface integrity. Ropes that fail to meet marine-grade standards (e.g., insufficient strength or uneven diameter) are rejected.

Step 6: Cutting & Coiling

Qualified ropes are cut to standard lengths (e.g., 50m, 100m, or custom lengths per demand) using precision cutting tools to ensure clean, fray-free ends. The cut ropes are then coiled into compact, easy-to-transport spools or hanks, with labels indicating diameter (20mm/22mm/24mm), material (marine-grade nylon), and intended use (mooring) for end-users.

2. Application Scope

Marine Mooring for Small-to-Medium Vessels

Recreational Boats & Yachts: Ideal for mooring small recreational boats (e.g., fishing boats, speedboats) and mid-sized yachts (6–12 meters) at marinas, piers, or buoys. The 20mm/22mm diameters suit lighter vessels, while the 24mm diameter handles heavier loads from larger yachts. The rope’s nylon construction resists saltwater corrosion and shock absorption, preventing damage from wave-induced jolts to the boat’s hull or dock cleats.
Dinghies & Tenders: Used to secure dinghies or tenders (small auxiliary boats) to larger parent vessels or shorelines. Its flexibility allows easy tying to small cleats, and its durability withstands frequent handling and exposure to salt spray.

Coastal & Inland Waterway Mooring

Small Commercial Vessels: Suitable for mooring small commercial watercraft, such as workboats (used for harbor maintenance) or small cargo boats (transporting light goods in coastal areas). The rope’s tensile strength (enhanced by 3-strand twisting) secures vessels against tidal currents, while its abrasion resistance stands up to contact with concrete docks or metal pilings.
Houseboats & Floating Cabins: Used for semi-permanent mooring of houseboats or floating cabins in calm inland waterways (e.g., lakes, rivers) or protected coastal coves. The 22mm/24mm diameters provide sufficient stability for stationary floating structures, and the UV resistance ensures long-term performance under prolonged sunlight.

Temporary & Emergency Mooring

Temporary Stops: Perfect for short-term mooring during activities like fueling, passenger pickups, or rest breaks. Its easy handling allows quick tying and untying, and its water resistance ensures it remains functional even if submerged briefly (e.g., during high tides).
Emergency Anchoring Backup: Serves as a backup mooring line for emergency scenarios (e.g., engine failure or sudden weather changes). The rope’s reliability and shock absorption provide temporary stability, allowing vessels to stay secured until help arrives or conditions improve.

Marina & Dock Auxiliary Uses

Dock Edge Protection: Used as auxiliary lines to secure floating dock sections or cushion the impact between docks and vessels. The 20mm diameter is often used for light-duty cushioning, while 22mm/24mm diameters reinforce dock connections to resist strong winds.
Buoy Tying: Employed to tie mooring buoys to underwater anchors in sheltered bays or coves. Its nylon material resists submersion-related degradation, and the 3-strand structure ensures the buoy remains securely anchored.

Etichette:

Luogo di origine	Cina
Marca	JC MARINETIME
Certificazione	ISO / CE
Numero di modello	3 / 4 / 8 / 12
Quantità di ordine minimo	220 Metri
Prezzo	30 USD Per Meters
Imballaggi particolari	Pallet o come richiesto
Tempi di consegna	5-20 giorni
Termini di pagamento	L/C, D/A, D/P, T/T, Western Union, MoneyGram
Capacità di alimentazione	50000 metri al mese

Parte	Ormeggio dock	Lunghezza della bobina	220m
Tolleranza a peso e lunghezza	± 5%	Forza giunta	± 10% inferiore
Uvresistance	Molto bene	Servizio	OEM/ODM
Garanzia	12 mesi	Materiale	Polipropilene,Nilon,poliestere,PP,PET/PA/PP/PE su richiesta
Colore	bianco, giallo, blu, nero e altri come richiesto, requisiti dei clienti	Utilizzo	L'imbarco di pesce, la pesca, la pesca, la pesca, la pesca, la pesca, la pesca
Diametro	4 mm-56 mm,48,2-160 mm (adattato),6 mm-144 mm,24 - 120 mm

Bollardi di ormeggio

Catene di ancoraggio

imbracatura del cavo metallico

attracco della corda

3 Strand Nylon Twisted Rope 20mm/22mm/24mm Marine Grade Mooring Rope

3 Strand Nylon Twisted Rope 20mm/22mm/24mm Marine Grade Mooring Rope

Production Process

Step 1: Material Selection & Preparation

Step 2: Fiber Stranding (Yarn Formation)

Step 3: Core Strand Heat Setting

Step 4: 3-Strand Twisting (Rope Formation)

Step 5: Surface Treatment & Quality Inspection

Step 6: Cutting & Coiling

2. Application Scope

Marine Mooring for Small-to-Medium Vessels

Coastal & Inland Waterway Mooring

Temporary & Emergency Mooring

Marina & Dock Auxiliary Uses

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3 fili di corda contorta

Cima di ormeggio nera per uso marino

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