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BS ISO 21809-4:2026 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) >
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BS ISO 21809-4:2026 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), 2026
- undefined
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Symbols and abbreviated terms [Go to Page]
- 5 General requirements [Go to Page]
- 6 Information supplied by the purchaser [Go to Page]
- 7 Coating classification [Go to Page]
- 8 Materials [Go to Page]
- 9 Qualification processes [Go to Page]
- 10 Application of coating [Go to Page]
- 11 Qualification of coating application and coating system [Go to Page]
- 12 Repair of coated pipe [Go to Page]
- 13 Markings [Go to Page]
- 14 Handling and storage in the coating area [Go to Page]
- 15 Test reports and inspection certificates [Go to Page]
- Annex A (normative) UV ageing test and thermal ageing test
- Annex B (normative) Cathodic disbondment test
- Annex C (normative) Impact test
- Annex D (normative) Indentation test
- Annex E (normative) Flexibility test
- Annex F (normative) Peel strength test
- Annex G (normative) Peel strength test — Hanging mass
- Annex H (normative) Inspection of thickness
- Annex I (normative) Holiday detection test
- Annex J (normative) Lap shear test
- Annex K (normative) Hot water immersion test
- Bibliography [Go to Page]