2026-10-25
Shanghai Suoqi Cable Co., Ltd. has long been dedicated to the field of special flexible cables. Below is a professional interpretation of the PU/PUR cable from three dimensions: material structure, performance advantages and application scenarios.
I. Material and Structural Parameters
Polyether polyurethane PUR anti-seawater cable - tensile, abrasion and tear resistant product details. I. Product photos. II. Core advantages. Outstanding seawater corrosion resistance: the outer sheath is made of imported high-quality polyether polyurethane (PUR), which has superb resistance to chloride ions, salts and various corrosive microorganisms in seawater. According to professional laboratory simulated seawater environment tests, after the cable is continuously soaked in 3.5% sodium chloride solution (simulated seawater) for 2000 hours, the outer sheath shows no swelling, cracking or aging, and its physical and electrical properties have almost no attenuation, ensuring long-term stable use in marine environments.
Superb tensile performance: high-strength Kevlar fibers or galvanized tensile steel wires are specially added inside as tensile elements, evenly distributed in the cable structure, effectively bearing external tensile forces. According to tests, it can withstand tensile forces up to [X] N. Under working conditions such as underwater equipment dragging and hoisting, it ensures no core or wire breakage, greatly extending the service life.
Top-level abrasion and tear resistance: the PUR outer sheath has high hardness and strong toughness, with abrasion resistance several times that of ordinary cable sheaths. The surface is treated with a special process and has outstanding cut and scratch resistance. Under harsh conditions such as reef friction, seabed sediment scouring and mechanical collision, it effectively resists wear and tearing and maintains cable integrity.
High flexibility and bend resistance: the conductor adopts multi-strand ultra-fine finely stranded oxygen-free copper wires, complying with the VDE 0295 Class 6 standard, paired with a high-elasticity TPE insulation layer, giving the cable outstanding flexibility. According to tests, it can withstand more than 10 million bending cycles, with a minimum bending radius of only 6D (D is the cable outer diameter), adapting to complex working conditions such as frequent turning of underwater robots and reciprocating movement of drag chain systems.
Efficient and stable transmission: the low-resistance conductor design ensures efficient power transmission with low power loss. For signal transmission, shielding layers can be equipped as needed, such as a tinned copper wire braided shielding mesh with shielding coverage ≥90%, effectively resisting electromagnetic interference and ensuring stable transmission of control and data signals of underwater equipment.
Wide temperature range adaptability: the working temperature range is -40℃~90℃. It works normally in the severe cold of polar waters and the high temperature of tropical oceans, with performance unaffected by temperature, suitable for underwater projects in different sea areas worldwide. No harmful heavy metals or halogens. Insulation resistance ≥500MΩ/km, voltage withstand level up to 300/500V, flame retardancy complying with the IEC 60332-1 standard, safe and reliable to use.
III. Application scenarios. Marine aquaculture: used for power supply and signal transmission of underwater aerators, feeding machines and water quality monitoring equipment, resistant to seawater and aquaculture chemical corrosion, adapting to frequent movement and bending of equipment in water.
Underwater detection: provides power and control signals for underwater robots (ROV), underwater cameras, sonar detectors and other equipment, meeting their flexible operation needs in complex underwater environments and ensuring stable data transmission.
Marine energy: in offshore wind farms, it connects equipment inside wind turbine towers, submarine cables and converters, stably transmitting large amounts of power; in tidal and wave energy power generation equipment, it serves as a key connection cable, adapting to harsh marine conditions.
Ports and ships: suitable for port crane drag chain systems to power equipment; on ships, it is used for bilge equipment and deck machinery wiring, resisting sea breeze salt spray and the erosion of complex engine room environments.
II. Performance and Technical Specifications
Rated voltage 300/500V to 0.6/1kV; minimum bending radius 6D (D is the cable outer diameter); applicable temperature range -40℃ to +90℃; high tensile strength and excellent abrasion resistance, suitable for long-term stable operation under harsh working conditions such as oil contamination and humidity.
III. Application Scenarios
PU/PUR cables are widely used in industrial automation, lifting and transportation, ports and docks and other fields.
About Shanghai Suoqi
Shanghai Suoqi Wire & Cable Co., Ltd. is a professional cable enterprise specializing in the R&D, design, production and sales of special flexible cables. Its products cover reel cables, flat cables, drag chain cables, encoder cables, PU/PUR cables, anti-seawater cables, anti-seawater network cables, aerial work platform cables and other series, widely used in port machinery, mining, industrial automation, marine engineering and other fields. For more product information or inquiries, please call 13311756197 (also available on WeChat).