Zero buoyancy electrical cables are engineered to avoid sinking due to their own weight, eliminating operational burdens in various underwater applications. Featuring a specialized construction, these cables float on the water surface and serve as extendable towing devices for diving operations. Designed for underwater power transmission, signal transmission, and control communications, they are essential for underwater robots, detection systems, construction, imaging, and monitoring equipment.
Product Characteristics
- Excellent oil, corrosion, acid, alkali, and seawater resistance
- Superior hydrolysis resistance and high tensile strength
- Anti-bite protection and enhanced safety features
- Material optimization for reduced weight and cost efficiency
- Flexible, wear-resistant, and waterproof construction
- Exceptional anti-aging properties with over 6 million bending cycles
Buoyancy Material Comparison
| Material Type |
Density Range |
Working Depth |
Applications |
| Polyurethane Foam |
0.05-0.25g/cm³ |
≤ 200m |
Pipeline floating, mooring buoys, emergency flotation |
| Copolymer Foam |
0.04-0.4g/cm³ |
≤ 600m |
ROV flotation, umbilical cables, submersible systems |
| Composite Foam |
0.275-0.65g/cm³ |
Full ocean depth to 4000m |
Deepwater ROVs, riser buoyancy, pipeline floating blocks |
Technical Specifications
- DC resistance compliant with GB3956 standards
- Waterproof insulation materials for connectors and covers
- Specialized manufacturing processes
- Minimum resistance of 50MΩ/km at 4°C
- AC withstand test: 50Hz 3.5KV/5min without failure
| Brand |
LINKE |
Cross Section (mm²) |
0.01-500mm² |
| Wire Gauge (AWG) |
[e.g., 24AWG, 28AWG] |
Conductor |
Tinned Copper /bare copper, based on client's requirements |
| Insulation material |
PVC/TPU/Silicone rubber/PE/PP/XLPE/Nylon/other |
Jacket Material |
[PVC/PU/Rubber/Braid/etc.] |
| Certifications |
RoHS/REACH/UL/CE/IP68/etc |
Custom Length |
[e.g., 1m, 3ft, 5m ±5% tolerance] |
| Cable Type |
[Medical/Power/Audio/Coaxial/Electrical/Automotive/Energy storage//etc.] |
Shielding |
[Shielded/Unshielded/Braid Shield] |
| Impedance |
[e.g., 75Ω (for coaxial cables)] |
Printing/Logo |
[Text/Label/Logo, max. 20 characters] |
| Bend Radius |
[e.g., ≥5× cable diameter] |
Current Rating |
[e.g., 5A] |
| Voltage Rating |
[e.g., 30V AC/DC] |
Connector Material |
[Gold-plated/Nickel-plated/Brass/etc.] |
| Connectors |
[e.g., USB Type-C, 3.5mm Jack, RJ45] |
Jacket |
XLPE or PE or PVC RUBBER |
| Delivery Time |
7-14 days after confirming the order |
Colors |
[Black/White/Red/Custom Pantone/etc.] |
| temperature |
Minus-70℃to 350℃(-70℃ ~ 350℃) |
Package |
Roll/box/plate/Custom |
| Supporting Services |
custom cable, end to end solutions, including precise cutting, crimping and installation of lugs (specify material,e.g.,copper/nickel plated) |
Independent Laboratory • Complete Testing Equipment • Full Quality Control
We test every product by strict standards to ensure superior quality and reliable performance.
| No. |
Test Item |
Test Condition |
Test Requirement |
Test Data |
Result |
| 1 |
Structure Inspection |
1. Comply with wire size table2. Minimum thickness ≥ 80% of average thickness |
Comply with wire size table |
Refer to test record |
Pass |
| 2 |
Thermal Shock |
Wind the sample on an iron rod of specified size, place in an aging oven at specified temperature for 1 hour, cool the sample to room temperature for at least 30 minutes, then observe the sample |
No cracks on the sample surface |
No cracks |
Pass |
| 3 |
Heat Deformation |
1. Measure sample thickness (mark measurement position)2. Place sample and test fixture in aging oven for preheating at specified temperature for 1 hour3. Place sample under pressure column of test fixture for 1 hour4. Re-measure sample thickness at the same position |
1. Sample shall not be cracked by pressure column or expose conductor2. Thickness reduction ≤ 50% |
Refer to test record |
Pass |
| 4 |
FT2 |
Apply a standard flame at a height of 125mm once |
1. Flame shall not propagate along its length2. Flame shall not spread to nearby flammable materials |
Refer to test record |
Pass |
| 5 |
Aging |
1. Take five sections of 200mm-long sheath2. Place specimens in aging oven at 158℃ for 168 hours3. After taking out specimens, place at room temperature 23±5℃ for 16 hours, then test elongation at break and tensile strength |
1. Elongation before aging ≥ 300%, elongation after aging ≥ 80% of that before aging2. Tensile strength before aging > 1.41kg/mm², tensile strength after aging ≥ 80% of that before aging |
Refer to test record |
Pass |
| 6 |
Cold Bend |
Store sample in low-temperature box at specified temperature for 4 hours, wind sample on iron rod of specified size with specified turns, complete winding within 30 seconds after sample is taken out of low-temperature box |
No cracks on the sample surface |
No cracks |
Pass |
| 7 |
Conductor Resistance |
Measure resistance of one-meter core conductor with DC resistance meter |
At 20℃, resistance of 8AWG ≤ 2.23Ω/km |
Refer to test record |
Pass |
Linke cable technology (DongGuan) Co. Ltd. concentrate on R&D and
provide professional solutions to the Cable&Wire,especially for the
different industry customers.It contains :
Humanoid robot cable,
AI power cable/data cable,
Semiconductor cable/industrial automatic cable,
Sensor cable,
New energy cable,
Medical beauty wire,
UL wire cable,
Linke Cable has diversified product development capabilities and technical capabilities to support diversified
customer needs. We have obtained the following product authorization:UL 758,CCC,RoHs,REACH,CE; We
have obtained the following quality management system:ISO 9001-2015(All products); ISO 13485
(Medical apparatus and instruments),IATF 16949(Auto industry)
Available Cable Types
| Single-Conductor, Thermoplastic Insulation |
Multiple-Conductor, Thermoplastic Insulation |
Single-Conductor, Thermoset Insulation |
| 1007, 1330, 1333, 1591, 1723, 10064, 10369 |
2095, 2129, 2468, 2586, 2725, 20233, 20280, 20963 |
3075, 3173, 3320, 3386, 3530, 3689, 30005 |
| 1015, 1331, 1569, 1592, 1901, 10070, 10483 |
2103, 2463, 2517, 2587, 2835, 20276, 20549, 21198 |
3123, 3212, 3321, 3398, 3577, 3702 |
| 1185, 1332, 1577, 1672, 10012, 10269 |
2104, 2464, 2576, 2661, 2919, 20279, 20886, 21664 |
3132, 3266, 3331, 3512, 3644, 3817 |
|
|
3135, 3271, 3385, 3529, 3674, 3886 |
Frequently Asked Questions
Are you a manufacturer or trading company?
We are a professional manufacturer with complete control over production processes. We welcome factory visits and provide pickup service in Shenzhen.
How can I get a sample to test your quality?
Samples are provided free of charge. New customers are responsible for courier costs.
What's your Minimum Order Quantity?
Minimum order is 100 meters. Due to cable weight, sea transportation is recommended for optimal freight costs.
Can I get a discount?
Discounts are available based on order quantity. Contact us for customized pricing and freight arrangements.
Does your company accept OEM production?
Yes, we offer OEM services including company name printing and custom quality cards for brand promotion.
About Linke Cable Technology
Linke Cable Technology Co., Ltd is a leading cable manufacturer in China with over 10 years of expertise in R&D, production, and marketing. We specialize in custom cable solutions including EV charging cables, medical cables, silicone cables, spring cables, braided cables, towlobe cables, UL wires, and automotive cables. Our engineer-to-engineer approach ensures superior cable quality and performance for global customers.
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