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ROV Accessories -  
ROV Buoyancy /
Subsea Buoyancy

Invocean: Engineering Excellence in ROV Buoyancy and Subsea Buoyancy Solutions

At Invocean, we are steadfastly committed to delivering advanced ROV (Remotely Operated Vehicles) and Subsea Buoyancy syntactic foam products. We harness the exceptional properties of syntactic foam to engineer solutions capable of thriving in various densities and water depths. Our technical expertise extends across a broad spectrum of marine applications, from offshore exploration to subsea maintenance and construction. Customised single system buoyancy blocks or buoyancy modules are available upon request.

ROV Buoyancy Systems: Mastery in Stability and Efficiency

ROV buoyancy is not just a component; it's a carefully orchestrated system that defines the efficiency and performance of an underwater operation. At Invocean, our buoyancy solutions are crafted to perfection:

  • Advanced Material Science: Utilizing a combination of epoxy resins, hollow glass microspheres, and specialized additives, our syntactic foam provides unparalleled buoyancy control.

  • Density Customization: Our engineers meticulously design buoyancy systems to meet specific water density requirements, ensuring optimal performance in diverse marine environments.

  • Pressure and Temperature Integrity: Our ROV buoyancy systems are rigorously tested to withstand depths exceeding 7,000 meters and extreme temperature fluctuations without compromising structural integrity.

  • Precision Navigation Control: Engineered with complex algorithms and control systems, our buoyancy modules enable precise navigation and stable positioning of ROV's.​

Subsea Buoyancy Solutions: Precision and Performance

Our Subsea Buoyancy products are synonymous with quality, stability, and resilience, offering modular buoyancy modules, drilling riser buoyancy, cable floats, and protection.

Syntactic Foam: Unmatched Resilience and Efficiency

Our proprietary syntactic foam technology is engineered for maximum compressive strength, thermal stability, and minimal water absorption, essential for consistent buoyancy performance.

Custom Engineering, Research, and Support

Invocean's dedicated teams of marine engineers, scientists, and technical experts collaborate to provide bespoke solutions, ongoing R&D, and comprehensive client support.

Contact Invocean: Your Partner in Underwater Innovation

Embrace the future of underwater technology with Invocean's unparalleled range of ROV and Subsea Buoyancy products.


Our technical specialists are ready to assist you. 

Subsea Buoyancy

Syntactic Foam Selection

ROV Buoyancy Module Components
Remotely Operated Vehicle (ROV) buoyancy modules encompass the technology of creating a unique polymer compound with an integrated inorganic lightweight filler. Through an intricate physical and chemical process, this formulation results in a solid material that plays an essential role in underwater equipment.

The underlying composition of the subsea buoyancy module involves a polymer-based solid with specific characteristics such as low density (ranging from 0.35 to 0.7g/cm3), minimal water absorption (no more than 2%), substantial mechanical robustness (compressive strength between 1 and 100 MPa), resistance to corrosion, and adaptability for secondary mechanical processing.

These buoyancy modules are meticulously designed to fulfill diverse underwater operational needs. When constructed with high-performance materials, they facilitate advanced functions such as extending diving depths, augmenting payload capacity, reducing energy consumption, and maint
aining steady underwater performance. In modern deep-sea exploration and engineering, solid buoyancy materials have become irreplaceable components.

Chemical Foaming in Solid Buoyancy Materials

Within this realm, the utilization of a chemical foaming method has led to the development of specialized buoyancy materials. Specifically, a polyurethane-epoxy resin rigid foam composite material is produced using this innovative technique.

Syntactic Foam Technology
Syntactic foams serve as an exciting subset of composite materials. These are carefully engineered by integrating a matrix of metal, polymer, or ceramic filled with either hollow or non-hollow spheres, commonly known as micro balloons or cenospheres.

Applications of Subsea Buoyancy Modules
Subsea buoyancy materials find their primary application in underwater environments. Leveraging their low-density and high-pressure resistant nature, they offer vital buoyancy support for various underwater operational equipment. Additional surface treatments such as spray coating or protective layering can be applied as per requirements. These materials are often crafted into floats, buoys, counterweights, or directly machined into specific parts.

The efficiency of these modules transcends mere structural support. They also contribute to significant weight reduction, achieving functionalities that metal structural components find challenging. Their applications are diverse and include integration into deep submersibles, underwater robotics, and more, offering safe utilization at profound depths reaching several thousand meters below sea level.


At Invocean, we specialize in manufacturing state-of-the-art Remotely Operated Vehicles (ROVs) and providing expert repair services for damaged ROV buoyancy systems. Our mission is to deliver exceptional quality and reliability to professionals across various underwater industries including oil exploration, marine research, and infrastructure maintenance.

At Invocean, our buoyancy foam is engineered with precision to perform in the most demanding underwater environments. We understand the critical nature of deep-sea exploration and the challenges it poses. Our expertise extends beyond manufacturing. We recognize that maintaining buoyancy integrity is vital for the operational effectiveness and safety of ROVs. Thus, we offer specialized repair services to restore damaged buoyancy modules to their optimal condition. Whether the damage is due to wear and tear, deep-sea pressure impacts, or accidental collisions, our team of experts is equipped with the knowledge and technology to execute precise repairs that meet industry standards.

In addition, Invocean stands out in the industry for our rigorous testing protocols. We test our buoyancy systems to withstand depths of up to 15,000 meters seawater (msw) if required, ensuring that each product not only meets but exceeds the highest safety and performance standards. This level of testing provides our clients with the confidence that our ROVs and buoyancy modules will perform exceptionally, even under extreme conditions.

Choose Invocean for cutting-edge subsea solutions where quality, performance, and reliability are paramount. Let us help you achieve your mission objectives with our superior ROVs and excellant repair services. Dive deeper with Invocean—where innovation meets the ocean.

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