
Oil and gas industries including lower carbon energy. External coatings for buried or submerged pipelines used in pipeline transportation systems. Polyethylene coatings (2-layer PE).
STANDARD published on 11.2.2026
Designation standards: BS ISO 21809-4:2026
Publication date standards: 11.2.2026
The number of pages: 78
Approximate weight : 234 g (0.52 lbs)
Country: British technical standard
Category: Technical standards BS
ISBN: 978 0 539 22421 4 Status: Definitive