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Plastic for lightweight and corrosion resistant Subsea Equipment

Subsea environments lead to a number of significant demands placed on equipment, whether it is shallow or deep water environments. Two key issues to consider with all subsea equipment are weight and resistance to corrosive sea water. Our thermoplastics and composites offer significant weight savings over conventional materials like steel and aluminium: Our Polystone® grades (PE/PP) are naturally buoyant while engineering & high temperature grades plastics such as PEEK, PEI, Acetal, PK, nylon and PET are approximately 50% the weight of aluminium. Durostone® composites offer increased mechanical properties and are only approximately 25% the weight of steel. This, coupled with polymers natural corrosion resistance, offers the potential for future subsea components to be smaller, lighter and free of cathodic protection – leading to efficiency and economic advantages in future equipment designs.

Your advantages

  • Naturally corrosion-resistant materials
  • Weight reduction (reduced need for costly buoyancy)
  • Long-lasting and low maintenance: resistant to corrosive salt water and hydrocarbons
  • Economic advantages: possibility for cathodic protection free equipment

Typical areas of application

  • ROV components and equipment
  • Pipeline systems
  • Connectors (electronic and communication)
  • Support structures (pipeline repair equipment, tee sleds, subsea tree frames)
  • Subsea tree and wellhead components (protection/insulation)
  • Signage

Application examples

Related products

    Product examples

    Arrange technical advice

    The performance and reliability of materials used in the design of machines and systems in subsea applications are influenced by a variety of factors. These criteria need to be considered in order to make the right choice. Examples:

    We are happy to advise you on the selection of suitable materials for your particular application. Just use our contact form at the bottom of the page and write to us.

    Download - Brochure - "Thermoplastics and Composites for Oil & Gas Industry"


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    Plastics for technical Applications