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High-Quality Submarine Cable PP Yarn from China Suppliers - Factory Direct Supply for Marine Power and Fiber Cables
Product Description
Submarine cable PP yarn is mainly made of polypropylene resin as the main raw material. Through professional production equipment, the yarn has a special mesh structure, which is an excellent and important structural material for submarine cables. Its corrosion resistance, mechanical strength, environmental performance, flame retardancy and wear resistance make it an indispensable part of submarine cables.
1
Main Features
Corrosion resistance: PP yarn has excellent corrosion resistance, which can resist long-term erosion of seawater and protect submarine cables from the effects of seawater corrosion.
Mechanical strength: Although PP yarn itself may not be the most mechanically strong part of submarine cables, it works together with other structural layers (such as steel wire armor) to enhance the overall mechanical strength of submarine cables and prevent external damage.
Environmental performance: PP yarn, as an environmentally friendly material, has a relatively small impact on the environment during its production and use, which meets the requirements of sustainable development.
Flame retardant and wear-resistant: Some PP yarns also have flame retardant and wear-resistant properties, which are particularly important in the complex environment of submarine cables, and can further improve the safety and service life of cables.
2
Main Function
Protecting cables: As one of the outermost layers of submarine cables, PP yarn and materials such as asphalt together form a protective layer, effectively resisting the corrosion of seawater and mechanical damage from the outside world.
Auxiliary structure: The PP yarn, together with other structural layers such as steel wire armor, lead sheath, etc., forms the complete structural system of the submarine cable, ensuring the stability and reliability of the cable.
Improving insulation life: Through the synergistic effect with other insulation layers and protective layers, PP yarn helps to evenly distribute the electric field, thereby improving the insulation life of submarine cables.
3
Application Examples
In practical applications, PP yarns for submarine cables are widely used in various submarine cable projects. For example, when laying submarine cables in deep sea areas, PP yarns are buried as part of the cable in the seabed soil, which can withstand the erosion of seawater and the test of the seabed environment for a long time.
4. Precautions
When selecting and using PP yarns for submarine cables, attention should be paid to their material, specifications, performance, and other requirements to ensure that they can meet the actual needs of submarine cables. At the same time, corresponding measures need to be taken during the laying, installation, and maintenance of cables to protect PP yarns and other structural layers from damage.
Technical Parameters
| Diameter | One Meter Weight | Tensile Strength | Meters of Roll (approximate number) | Weight of Roll | Characters |
|---|---|---|---|---|---|
| mm | g | Kgf | m | kg | ▣ Polypropylene material ▣ Higher tensile strength ▣ UV resistant ▣ Longer service life ▣ Fibrillated split film |
| 1 | 1 ± 0.15 | ≥ 25 | 2000 / 3000 / 4000 / 5000 | 2 / 3 / 4 / 5 | |
| 1.5 | 1.6 ± 0.15 | ≥ 40 | 1250 / 1875 / 2500 / 3125 | 2 / 3 / 4 / 5 | |
| 2 | 2.3 ± 0.15 | ≥ 57.5 | 869 / 1304 / 1739 / 2173 | 2 / 3 / 4 / 5 | |
| 2.5 | 2.6 ± 0.15 | ≥ 65 | 769 / 1153 / 1538 / 1923 | 2 / 3 / 4 / 5 | |
| 3 | 3.3 ± 0.15 | ≥ 82.5 | 909 / 1212 / 1515 | 3 / 4 / 5 | |
| 3.5 | 3.8 ± 0.2 | ≥ 114 | 1315 / 2105 / 2631 | 5 / 8 / 10 | |
| 4 | 4.3 ± 0.2 | ≥ 129 | 1162 / 1860 / 2325 | 5 / 8 / 10 | |
| 4.5 | 4.7 ± 0.2 | ≥ 141 | 1063 / 1702 / 2127 | 5 / 8 / 10 | |
| 5 | 5.7 ± 0.2 | ≥ 171 | 877 / 1403 / 1754 | 5 / 8 / 10 | |
| 6 | 6.8 ± 0.2 | ≥ 200 | 735 / 1176 / 1470 | 5 / 8 / 10 | |
| 7 | 7.5 ± 0.2 | ≥ 225 | 666 / 1066 / 1333 | 5 / 8 / 10 | |
| Support customizing other specifications | |||||
Detailed Images
Frequently Asked Questions
Q1
What is the primary material used in submarine cable PP yarn?
Submarine cable PP yarn is primarily manufactured using high-quality polypropylene resin as its main raw material, processed through specialized equipment into a fibrillated split film mesh structure.
Q2
How does PP yarn protect submarine cables from harsh marine environments?
PP yarn features outstanding seawater corrosion resistance. As an outer layer combined with asphalt and armor layers, it provides a resilient barrier that blocks seawater erosion and protects internal conductors and insulation over decades of seabed deployment.
Q3
What mechanical role does PP yarn play within the cable structure?
While flexible, PP yarn works synergistically with steel wire armor and lead sheathing to enhance tensile stability, cushion mechanical impacts, balance electric field distribution, and reinforce the structural integrity of the cable.
Q4
Are custom diameter and roll specifications available?
Yes, we support full customization. In addition to our standard diameters ranging from 1.0mm to 7.0mm, custom yarn diameters, specific roll lengths, and specific spool weights can be tailored to your project requirements.
Q5
Is submarine cable PP yarn environmentally friendly?
Yes. Polypropylene is an eco-friendly material with low environmental impact during production and service, fully meeting green manufacturing and marine environmental sustainability standards.
Q6
What precautions should be taken when handling and installing PP yarn?
Proper specifications matching cable tension standards must be chosen. During laying, handling, and maintenance, safeguard the outer yarn layer from abrasion and sharp impacts to ensure long-term protective performance.