EN ISO 21809-1:2011

Foreword
Introduction
1 Scope
2 Conformance
3 Normative references
4 Terms and definitions
5 Symbols and abbreviated terms
6 Information supplied by the purchaser
7 Coating classification
8 Coating materials
9 Coating system qualification
10 Application of the coating system
11 Inspection and testing
12 Coating repairs
13 Marking
14 Handling and storage in the applicators facilities
15 Test reports and certificate of compliance
Annex A (normative) - Inspection of thickness
Annex B (normative) - Holiday detection test
Annex C (normative) - Peel strength test
Annex D (normative) - Thermal analysis of epoxy and cured
        epoxy coating film
Annex E (normative) - Impact test
Annex F (normative) - Indentation test
Annex G (normative) - UV ageing test and thermal ageing test
Annex H (normative) - Cathodic disbondment test
Annex I (normative) - Flexibility test
Annex J (normative) - Gel time of the epoxy powder
Annex K (normative) - Total volatile/moisture content of
        the epoxy powder - Mass loss
Annex L (normative) - Procedure qualification trial,
        inspection and testing plan and daily log
Annex M (normative) - Hot water immersion test
Annex N (normative) - Density of epoxy powder
Bibliography

ISO 21809-1:2011 specifies requirements of plant-applied external three-layer 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 in accordance with ISO 13623.Pipes coated in accordance with ISO 21809-1:2011 are considered suitable for further protection by means of cathodic protection.