• Hydrogen Technologies Standards form the basic framework for market ramp-up

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Publications of CEN/TC 139

DIN EN ISO 21227-1 2003-12 Standards Paints and varnishes - Evaluation of defects on coated surfaces using optical imaging - Part 1: General guidance (ISO 21227-1:2003); German version EN ISO 21227-1:2003 More  Order from DIN Media
DIN EN ISO 21227-1 2026-04 Draft standard Paints and varnishes - Evaluation of defects on coated surfaces using digital image processing - Part 1: General guidance (ISO/DIS 21227-1:2026); German and English version prEN ISO 21227-1:2026 More  Read draft and comment
DIN EN ISO 21227-2 2006-11 Standards Paints and varnishes - Evaluation of defects on coated surfaces using optical imaging - Part 2: Evaluation procedure for multi-impact stone-chipping test (ISO 21227-2:2006); German version EN 21227-2:2006 More  Order from DIN Media
DIN EN ISO 21227-3 2007-07 Standards Paints and varnishes - Evaluation of defects on coated surfaces using optical imaging - Part 3: Evaluation of delamination and corrosion around a scribe (ISO 21227-3:2007); German version EN ISO 21227-3:2007 More  Order from DIN Media
DIN EN ISO 21227-4 2026-04 Draft standard Paints and varnishes - Evaluation of defects on coated surfaces using digital image processing - Part 4: Evaluation of filiform corrosion on coated corrosion test samples (ISO/DIS 21227-4:2026); German and English version prEN ISO 21227-4:2026 More  Read draft and comment
DIN EN ISO 21227-4 2008-06 Standards Paints and varnishes - Evaluation of defects on coated surfaces using optical imaging - Part 4: Evaluation of filiform corrosion (ISO 21227-4:2008); German version EN ISO 21227-4:2008 More  Order from DIN Media
DIN EN ISO 21545 2021-03 Standards Paints and varnishes - Determination of settling (ISO 21545:2018); German version EN ISO 21545:2020 More  Order from DIN Media
DIN EN ISO 21546 2021-02 Standards Paints and varnishes - Determination of the resistance to rubbing using a linear abrasion tester (crockmeter) (ISO 21546:2019); German version EN ISO 21546:2020 More  Order from DIN Media
DIN EN ISO 22516 2021-02 Standards Paints and varnishes - Practical determination of non-volatile and volatile matter content during application (ISO 22516:2019); German version EN ISO 22516:2020 More  Order from DIN Media
DIN EN ISO 22518 2021-02 Standards Paints and varnishes - Determination of solvents in water-thinnable coating materials - Gas-chromatographic method (ISO 22518:2019); German version EN ISO 22518:2020 More  Order from DIN Media

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