Petroleum and natural gas industries. External coatings for buried or submerged pipelines used in pipeline transportation systems. Polyethylene coatings (2-layer PE).
STANDARD published on 31.1.2010
Designation standards: BS ISO 21809-4:2009
Note: WITHDRAWN
Publication date standards: 31.1.2010
The number of pages: 42
Approximate weight : 126 g (0.28 lbs)
Country: British technical standard
Category: Technical standards BS