Paints and varnishes—Evaluation of degradation of coatings—Designation of quantity and size of defects,and of intensity of uniform changes in appearance—Part 7: Assessment of degree of chalking by velvet method
NORMA vydána dne 15.5.2015
Designation standards: GB/T 30789.7-2015
Publication date standards: 15.5.2015
Country: Chinese technical standard
Kategorie: Technické normy GB