This part of EN 13523 specifies a procedure for evaluating the resistance of an organic coating on a metallic substrate (coil coating) to conditions of extreme humidity (acid; alkaline and/or neutral).
EN 13523-27:2009 Referenced Document
EN 13523-0:2001 Coil Coated Metals - Test Methods - Part 0: General Introduction and List of Test Methods
EN ISO 4628-2 Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects@ and of intensity of uniform changes in appearance - Part 2: Assessment of degree of blistering*， 2016-02-01 Update
EN ISO 4628-3 Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects@ and of intensity of uniform changes in appearance - Part 3: Assessment of degree of rusting*， 2016-02-01 Update
EN ISO 4628-5 Paints and varnishes - Evaluation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 5: Assessment of degree of flaking (ISO 4628-5:2022)*， 2022-11-23 Update
EN 13523-27:2009 history
2017EN 13523-27:2017 Coil coated metals - Test methods - Part 27: Resistance to humid poultice (Cataplasm test)
2009EN 13523-27:2009 Coil coated metals - Test methods - Part 27: Resistance to humid poultice (Cataplasm test)