ISO/DIS 21809-1 Petroleum and natural gas industries - External coatings for buried or submerged pipelines used in pipeline transportation systems. Part 1: Polyolefin coatings (3 - layer PE and 3 - layer PP)

The International Organization for Standardization (ISO). This ISO document is a Draft International Standard. ISO/TC 67SC
2. Voting begins on: 2006-09-21. Voting terminates on: 2007-02-21. 50 p. This part of ISO 21809 specifies requirements of plant applied external three layer extruded polyethylene and polypropylene based coatings for corrosion protection of welded and seamless steel pipes for pipeline transportation systems in the petroleum and natural gas industries as defined in ISO 13623.