Lightweight Subsea Cable Floats Low Water Absorption For Marine Applications
Materials and Design
● Materials: Submarine cable floats are typically made of high-strength, corrosion-resistant materials, such as micro-bead-based solid buoyancy materials. These materials offer lightweight, high buoyancy, excellent chemical stability, and mechanical strength, meeting the requirements for submarine cable floats in various marine environments.
● Design: The design of submarine cable floats incorporates advanced technologies from multiple fields, including materials science, fluid mechanics, and marine engineering. The shape of the float is often carefully calculated to optimize its stability and resistance to currents. Furthermore, submarine cable floats are equipped with various fixing and adjustment devices, such as integrated elastic clamps, to ensure they securely hold the cable and adapt to varying seabed topography and environmental conditions.
Submarine cable floats are crucial devices for protecting submarine cables from external forces and seawater erosion. Their materials, design, and application all demonstrate a high degree of professionalism and specificity. They play an indispensable role in the field of marine engineering.

| Attribute | Value |
|---|---|
| Product name | Lightweight Cable Floats Marine Buoy Subsea Buoyancy Modules For Underwater Pipeline Installation |
| Advantages | Low density and high pressure resistance |
| Design Using Life | 20+ year lifespan with minimal annual buoyancy loss (<0.1%) |
| Size | As per customer request |
| Inner material | Syntactic foam, Chemical Foam |
| Skin | Elester polyurethane Coating |
| Color | Orange, Yellow, or customized |
| Warranty | 2 years |
| Float shape | Can be customized |
- Subsurface mooring buoys
- Cable floats
- Pipeline floaters
- ROV buoyancy modules
- Special shape buoys
- Other syntactic foam products


| Model | Density (g/cm³) | Compression Strength (MPA) | Water Absorption (24H) | Submersible Depth (m) |
|---|---|---|---|---|
| CSBM-08 | 0.08 | / | ≤2% | 50 |
| CSBM-15 | 0.15 | 2.6 | ≤2% | 100 |
| CSBM-20 | 0.20 | 5.19 | ≤2% | 200 |
| Model | Density (g/cm³) | Compression Strength (MPA) | Water Absorption (24H) | Submersible Depth (m) |
|---|---|---|---|---|
| SBM-35 | 0.35±0.02 | ≥8 | ≤2% | 200 |
| SBM-37H | 0.37±0.02 | ≥12 | ≤1% | 500 |
| SBM-38 | 0.38±0.02 | ≥10 | ≤1% | 300 |
| SBM-40 | 0.40±0.02 | ≥12 | ≤1% | 500 |
| SBM-40H | 0.40±0.02 | ≥18 | ≤1% | 1000 |
| SBM-45 | 0.45±0.02 | ≥20 | ≤1% | 1000 |
| SBM-48 | 0.48±0.02 | ≥25 | ≤1% | 2000 |
| SBM-51 | 0.51±0.02 | ≥35 | ≤1% | 3000 |
| SBM-54 | 0.54±0.02 | ≥45 | ≤1% | 4500 |
| SBM-57H | 0.57±0.02 | ≥55 | ≤1% | 6000 |
| SBM-63 | 0.63±0.02 | ≥55 | ≤1% | 6000 |
| SBM-70 | <0.7 | ≥90 | ≤1% | 11000 |
We provide the highest quality flotation for offshore, research, and commercial applications. Made with syntactic foam, these floats are the most reliable and cost-effective choice for ROV, AUV, and tow body flotation. Whether you are outfitting a new vehicle or tooling package, or require customized add-on buoyancy, you will get a superior product and quick turnaround.Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.