MARINE ROPE

Description:

Double braided marine mooring rope is a type of rope that is specifically designed for use in marine environments. It is made up of two braided layers, with a core in the center. The outer layer is made up of tightly braided strands, which provide strength and durability. The inner layer is made up of looser braids, which provide flexibility and cushioning.
The rope is typically made from a combination of high-strength synthetic fibers, such as nylon or polyester. These fibers are designed to withstand the harsh conditions of the marine environment, including exposure to saltwater, UV rays, and abrasion.
Double braided marine mooring rope is known for its strength, durability, and ability to absorb shock. It is often used in a variety of applications, including docking, mooring, and towing. The rope is available in a range of sizes and lengths to suit different applications and can be customized with different colors and markings for easy identification. Overall, it is a reliable and versatile option for marine applications.

Advantages of Double Braided Marine Mooring Rope：
1. High strength: Double braided marine mooring rope is designed to provide superior strength, which makes it suitable for use in a range of applications.
2. Abrasion resistance: The double braiding process creates a protective layer over the rope that makes it resistant to abrasion and other types of wear and tear.
3. UV resistance: Exposure to sunlight can cause many types of ropes to deteriorate over time. However, double braided marine mooring rope is treated to resist UV damage, which makes it ideal for use in harsh outdoor environments.
4. Good flexibility: Despite its strength and resistance to damage, double braided marine mooring rope is still flexible and easy to handle.
5. Low stretch: Double braided marine mooring rope has low stretch characteristics, which makes it ideal for use in applications where the rope needs to remain taut.
6. Long lifespan: Due to its durability and resistance to damage, double braided marine mooring rope has a long lifespan, which makes it a cost-effective choice for many applications.
7. Easy to splice: Double braided marine mooring rope is easy to splice, which makes it possible to customize the length of the rope or create custom end fittings as needed.

Production technology of Double Braided Marine Mooring Rope：
Double braided marine mooring ropes are an essential component of the mooring system of ships, boats, and other marine vessels. They provide stability and safety to the vessels by securing them to the dock or anchoring them in the water. The production technology of double braided marine mooring ropes involves several stages, including material selection, spinning, braiding, and finishing.

1. Material Selection

The first step in the production of double braided marine mooring ropes is the selection of suitable raw materials. The most commonly used materials for mooring ropes are synthetic fibers such as polyester, nylon, and polypropylene. These fibers have high strength, excellent resistance to abrasion and UV rays, and are lightweight, making them ideal for marine applications.

2. Spinning

After selecting the appropriate fibers, they are spun into yarns of a specific thickness and strength. The spinning process involves twisting the fibers together, which increases their strength and makes them more resistant to stretching and breaking.

3. Braiding

The next step is braiding the yarns together to form the double braided marine mooring rope. The braiding process involves intertwining two sets of yarns in opposite directions, creating a strong and durable rope. The braids are interlocked, so they provide greater resistance to abrasion and wear, making the rope suitable for harsh marine environments.

4. Finishing

The final step in the production of double braided marine mooring ropes is finishing. The rope is trimmed, spliced, and heat-sealed to prevent fraying and unraveling. The ends are also whipped or knotted to prevent unraveling and ensure that the rope is secure and stable.

In conclusion, the production technology of double braided marine mooring ropes involves careful selection of high-quality materials, spinning, braiding, and finishing to create a strong and durable rope suitable for marine environments. The process ensures that the rope meets the required strength, flexibility, and durability standards for safe and effective use in mooring applications.

Main Performance of Materials for Double Braided Marine Mooring Rope:

Material	Polyamide multifilament	Polypropylene multifilament	Polyester multifilament	Polyester/ Polypropylene	Polyester/ Polyamide	Polyamide/ Polypropylene
Spec.Density	1.14 not floating	0.91 floating	1.27 not floating	0.99 floating	1.19 not floating	0.98 floating
Melting Point	215℃	165℃	260℃	260℃/165℃	260℃/165℃	260℃/165℃
Abrasion Resistance	Very Good	Medium	Good	Good	Good	Good
U.V.resistance	Very Good	Medium	Good	Good	Good	Good
Temperature resistance	120℃ max	70℃ max	120℃ max	80℃ max	120℃ max	80℃ max
Chemical resistance	Very Good	Good	Good	Good	Good	Good

Parameters of Double Braided Marine Mooring Rope for Reference:

Specification		PA multifilament		Polyester		PP multifilament		Polyester/PA		Polyester/PP		Polyamide/PP
Dia. (mm)	Cir. (inch)	Ktex	KN	Ktex	KN	Ktex	KN	Ktex	KN	Ktex	KN	Ktex	KN
4	1/2	10.3	3.7	12.2	3.2	8.4	2.4	12.0	4.0	9.0	2.6	8.5	2.7
6	3/4	23	8.3	27.4	7.2	18.8	5.4	27.0	9.0	20.2	5.8	19	6.0
8	1	41	15	49	13	33	9.6	48	16	36	10	34	11
10	1-1/4	64	23	76	20	52	15	75	25	56	16	53	17
12	1-1/2	92	33	109	29	75	22	108	35	81	23	76	25
14	1-3/4	126	45	149	39	102	29	147	47	110	31	104	33
16	2	164	59	195	51	133	38	192	62	143	41	136	44
18	2-1/4	207	75	246	65	168	49	243	78	181	52	172	55
20	2-1/2	255	92	304	80	208	60	300	96	224	64	212	68
22	2-3/4	309	111	368	97	252	73	363	116	271	77	256	82
24	3	368	127	440	114	299	86	430	138	325	93	304	98
28	3-1/2	501	172	597	157	404	118	585	182	430	124	415	130
32	4	654	225	779	205	528	154	760	236	576	162	542	170
36	4-1/2	828	285	998	262	668	195	970	314	732	216	679	227
40	5	1018	352	1220	324	825	240	1180	385	902	266	838	280
44	5-1/2	1236	420	1470	378	1006	294	1440	462	1093	324	1030	341
48	6	1473	500	1760	450	1190	354	1710	546	1300	380	1230	400
52	6-1/2	1730	600	2050	535	1390	411	2010	635	1525	443	1440	466
56	7	2009	690	2380	621	1610	474	2330	731	1773	513	1670	540
60	7-1/2	2297	780	2740	712	1850	539	2670	834	2035	584	1910	615
64	8	2616	900	3120	810	2090	613	3050	942	2310	665	2170	700
72	9	3306	1090	3950	980	2640	767	3860	1180	2924	846	2730	890
80	10	4089	1344	4870	1240	3290	934	4860	1442	3610	1036	3350	1090
88	11	4954	1626	5910	1500	3950	1117	5780	1729	4371	1254	4060	1320
96	12	5892	1950	7020	1750	4710	1304	6870	2033	5207	1501	4880	1580
104	13	6911	2320	8250	2090	5480	1513	8070	2402	6112	1758	5800	1850
112	14	8024	2670	9560	2400	6390	1694	9360	2730	7082	2043	6710	2150
120	15	9198	3050	10970	2750	7350	2010	10740	3100	8127	2328	7690	2450