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BS EN ISO 15741:2021 Paints and varnishes. Friction-reduction coatings for the interior of on- and offshore steel pipelines for non-corrosive gases >
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BS EN ISO 15741:2021 Paints and varnishes. Friction-reduction coatings for the interior of on- and offshore steel pipelines for non-corrosive gases, 2021
- undefined
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Coating material
- 4.1 General
- 4.2 Particular requirements for qualification of the coating material
- 4.2.1 General
- 4.2.2 Non-volatile matter (by mass)
- 4.2.3 Non-volatile matter (by volume)
- 4.2.4 Viscosity
- 4.2.5 Density
- 4.2.6 Ash (residue on ignition)
- 4.2.7 Pot life
- 4.2.8 Infrared spectrograms
- 4.2.9 Appearance
- 4.3 Particular requirements for qualification of the cured paint film
- 4.3.1 Preparation of test panels
- 4.3.2 Conditioning of test panels
- 4.3.3 Dry film thickness
- 4.3.4 Adhesion
- 4.3.5 Buchholz hardness
- 4.3.6 Resistance to neutral salt spray
- 4.3.7 Resistance to artificial ageing
- 4.3.8 Bend test (conical mandrel)
- 4.3.9 Resistance to gas pressure variations
- 4.3.10 Resistance to water immersion
- 4.3.11 Resistance to chemicals
- 4.3.12 Resistance to hydraulic blistering
- 4.4 Packaging, labelling and storing
- 4.5 Quality assurance
- 4.6 Product data sheet
- 4.7 Qualification certificate
- 4.8 Batch test certificate
- 5 Application of the coating material
- 5.1 General
- 5.2 Surface preparation
- 5.3 Paint preparation
- 5.4 Paint application
- 6 Production control
- 6.1 Assessment of the coating on the pipes
- 6.1.1 Appearance
- 6.1.2 Dry film thickness
- 6.2 Assessment of the coating on steel panels
- 6.2.1 Preparation of test panels
- 6.2.2 Adhesion
- 6.2.3 Buchholz hardness
- 6.2.4 Bend test
- 6.2.5 Curing test
- 6.2.6 Porosity test
- 7 Repairs
- 8 Handling, transportation and storage
- 8.1 Handling
- 8.2 Transportation to the storage area
- 8.3 Storage
- 8.4 Loading coated pipes for transportation
- Annex A (normative) Determination of ash (refer to 4.2.5)
- Annex B (normative) Dry film thickness (refer to 6.1.2)
- Annex C (normative) Resistance to gas pressure variations (refer to 4.3.9)
- Annex D (normative) Hydraulic-pressure blistering (refer to 4.3.12)
- Annex E (normative) Porosity of a film of the coating material on a glass panel (refer to 6.2.6)
- Annex F (normative) Curing test (refer to 6.2.5)
- Annex G (normative) Wet-sponge test (refer to 6.2.6)
- Bibliography [Go to Page]