Gurit’s Corecell S Achieves DNV Certification

Published : June 12, 2026

Gurit informed that its Corecell S structural foam core is the first non-syntactic foam to obtain DNV Certification for Underwater Technology.

The certification covers the following standards:

  • DNV Class Programme DNV-CP-0084 – Type Approval – Sandwich Core Materials
  • DNV Rules for Classification – Underwater Technology, Pt. 2, Sec. 5: Materials and Welding for UWT Systems

Achieving DNV certification highlights the material’s exceptional performance, reliability and suitability for demanding subsea and offshore environments.

Corecell S is a high-performance foam, delivering exceptional hydrostatic crush strength, minimal buoyancy loss and long-term reliability at depth. With an ultra-fine cell structure, high water resistance, and outstanding chemical and thermal stability, it can withstand the harshest marine environments making it the ideal choice for components such as subsea buoyancy or storage units, diving bells, ROVs and impact protection structures.

Corecell S is compatible with epoxy, polyester, and vinyl ester resin systems, offering flexibility across a wide range of manufacturing processes.

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