Subsea Buoyancy Materials

Designed with customers in mind, our range of subsea buoyancy materials has been engineered for use in applications including remotely operated vehicles (ROV), autonomous underwater vehicles (AUV) and human-operated vehicles (HOV).

From subsea intervention equipment to subsea defence platforms, military search and rescue vessels to oceanographic surveying, scientific research vehicles and more, we work collaboratively with customers, to deliver bespoke solutions that meet the specific demands of each application.

What are subsea buoyancy materials?

Our range of shallow water buoyancy foam, manufactured by Diab Group and Gurit, are a unique copolymer formulation, engineered to meet the demands for both high-performance and low-density ranging from 100 to 330 kg/m3

Comprising high-grade hollow glass microspheres (HGMS) and a novel thermoset polymer mix, our DNV certified Subtec® syntactic buoyancy materials are formulated to produce ultra-high strength-to-weight characteristics with excellent water ingress resistance. Qualified for use in seawater depths down to 11,500 metres.

Worker recovering remote operated vehicle from sea with crane

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How are Subtec® buoyancy materials made?

Our Subtec® syntactic buoyancy materials are cast into standard block sizes. Blocks can be bonded together and machined to create buoyancy modules that meet the application requirements. Each grade of material is colour coded to ensure depth rating matches within subsea buoyancy modules.

Key Features

  • Low-density formulation for maximum uplift 
  • Densities range from 100 to 650 kg/m3 
  • Range of materials qualified for use from shallow water to seawater depths down to 11,500 metres
  • DNV approval of manufacture on all Subtec® materials
  • DNV type approval on Subtec® 11500
  • Subtec® grades are colour-coded to ensure depth rating matches within subsea buoyancy modules 
  • Excellent water ingress resistance 
  • High-strength-to-weight materials
  • Excellent machinability
  • Full quality assurance traceability
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APPLICATIONS

Our buoyancy materials are the ideal solution for subsea applications including remotely operated vehicles (ROVs), autonomous underwater vehicles (AUVs) and human-operated vehicles (HOVs). These vehicles are used for a wide variety of purposes, including:

  • Subsea intervention equipment for inspecting pipelines and other equipment
  • Subsea military search and rescue vehicles
  • Subsea defence platforms (submarines)
  • Oceanographic surveying equipment 
  • Scientific research vehicles and equipment

Other applications can include subsea transponder collars, downhole equipment components and wider uses in electronic equipment.

SUBSEA BUOYANCY SOLUTIONS

Shallow Water Buoyancy Foam

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Subtec® Buoyancy Materials

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Subsea Buoyancy Repair and Refurbishment

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