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3 Strand Nylon Twisted White Color Marine Packing Rope

Production Process

Step 1: Selection and Preparation of Nylon Raw Materials

High-quality marine-grade nylon filaments are selected as the base material, ensuring they meet standards for tensile strength, saltwater resistance, and UV stability—critical for marine environments. The nylon filaments are first unwound from spools and passed through a cleaning system to remove dust, oil, or other contaminants that could affect the rope’s durability. They are then aligned uniformly to ensure consistent fiber distribution in subsequent steps.

Step 2: Drawing and Texturing of Nylon Filaments

The cleaned nylon filaments undergo a drawing process, where they are stretched under controlled tension to align the molecular structure of the fibers. This step enhances the filaments’ tensile strength and reduces elongation, making them suitable for load-bearing marine applications. After drawing, some filaments may be textured (via a heat-setting process) to improve flexibility and reduce brittleness, ensuring the final rope can bend and twist without cracking.

Step 3: Spinning Nylon Filaments into Strands

The processed nylon filaments are spun into individual strands using a stranding machine. For a 3-strand rope, three separate strands are created, each with a consistent thickness and twist rate. During spinning, the filaments are twisted tightly to form cohesive strands—this twist locks the fibers together, boosting the strand’s resistance to fraying. The strands are then wound onto temporary bobbins, ready for the twisting phase.

Step 4: Twisting Strands into 3-Strand Rope

The three prepared strands are fed into a twisting machine (often a double-twist or planetary twister) at a synchronized speed. The machine twists the three strands together in a uniform, helical pattern—this “twisted” construction is key to the rope’s stability and load-bearing capacity, as it distributes tension evenly across all three strands. The twist rate is carefully controlled: too loose, and the rope may unravel; too tight, and it may become stiff and prone to kinking.

Step 5: White Coloring and UV Stabilization Treatment

After twisting, the rope undergoes a coloring process to achieve the white color. This typically involves a dyeing or coating method using marine-grade, fade-resistant white pigments that adhere to the nylon fibers. The coloring process is followed by a UV stabilization treatment—where a protective coating (containing UV inhibitors) is applied to the rope’s surface. This coating prevents the white color from fading and shields the nylon fibers from degradation caused by prolonged sun exposure, a common issue in marine settings.

Step 6: Sizing, Cutting, and Quality Inspection

The colored and treated rope is passed through a sizing machine to ensure a consistent diameter (matching the required specifications for marine packing use). It is then cut into standard lengths (e.g., 50m, 100m rolls) or custom lengths based on application needs. Finally, each roll undergoes quality inspection: technicians test tensile strength (using a load-testing machine), check for uniform twist and color, and verify resistance to water absorption. Only ropes that meet all marine-grade standards proceed to packaging.

Step 7: Packaging for Marine Use

The inspected ropes are wound onto durable, water-resistant spools or wrapped in moisture-proof plastic film to protect them from dust and moisture during storage and transportation. Labels indicating key specifications (e.g., material: 3-strand twisted nylon, color: white, length, tensile strength) are attached to the packaging, ensuring clarity for end-users in marine settings.

2. Application Scope

Marine Vessel Cargo Securement

This rope is widely used to secure cargo, supplies, or equipment on the decks of small to medium-sized marine vessels (e.g., fishing boats, recreational yachts, coastal transport ships). Its white color enhances visibility (helping crew avoid tripping or tangling), while the 3-strand twisted nylon construction provides enough strength to hold cargo in place during rough seas. It resists saltwater damage, so it remains reliable even when exposed to spray or splashes.

Marine Packaging and Container Sealing

For marine shipping, it is used to bundle or seal lightweight containers (e.g., plastic crates of tools, canvas bags of supplies) that need to be transported on boats or between shore and vessels. The rope’s flexibility allows it to be tied into secure knots (e.g., square knots) around irregularly shaped packages, and its white color makes it easy to identify sealed containers. Unlike non-marine ropes, it does not absorb water, so packaged items stay dry.

Small Boat Mooring and Tying (Temporary Use)

While not designed for heavy-duty permanent mooring, it serves as a temporary mooring rope for small watercraft (e.g., dinghies, kayaks, paddleboards) when docking at marinas or shorelines for short periods. Its white color is visible in low light (reducing the risk of other boats hitting it), and the 3-strand design ensures it can be quickly tied to cleats or dock posts. It is lightweight and easy to coil, making it convenient for storage on small boats.

Marine Maintenance and Repair Tasks

During marine maintenance (e.g., cleaning boat hulls, repairing small parts), this rope is used to secure tools, brushes, or replacement parts to the boat’s deck or railings—preventing them from falling overboard. Its white color makes lost tools easier to spot in shallow water, and its nylon material resists damage from cleaning chemicals or saltwater. It is also used to hang wet maintenance gear (e.g., towels, gloves) to dry, as it dries quickly itself.

Recreational Marine Activities (Light Use)

For recreational marine activities (e.g., camping on boat decks, setting up temporary swimming areas), it is used for light tasks like hanging lanterns, securing inflatable toys (e.g., pool noodles, small rafts), or creating boundary lines for safe swimming zones. Its white color is bright and non-intrusive in natural settings, and its soft twisted texture avoids damaging inflatables or camping gear. It is easy to handle, making it suitable for casual users.

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

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Categories	Mooring Rope
Brand Name:	JC MARINETIME
Model Number:	3 / 4 / 8 / 12 STRAND ROPE
Certification:	ISO / CE
Place of Origin:	CHINA
MOQ:	220 Meter
Price:	30 USD Per Meters
Payment Terms:	L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability:	50000 Meters Per Month
Delivery Time:	5-20 days
Packaging Details:	Pallet Or As Required
Part:	Dock Mooring
Coil length:	220m
Weight and length tolerance:	± 5%
Spliced strength:	±10% lower
U.V.Resistance:	Very Good
Service:	OEM/ODM
Warranty:	12 Months
Material:	polypropylene,Nylon,polyester,PP,PET/PA/PP/PE as request
Color:	white,yellow,blue,black and others as requested,Customers' Requirments
Usage:	mooring hawser,anchor rope,mooring tail,mooring rope,Package/mooring/towing/fishing
Diameter:	4mm-56mm,48,2-160mm (customized),6mm -144mm,24 - 120 mm