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— 8 стр.
87.040 Paints. Including coating powders, paint coatings and protective paint systems / Краски и лаки. Включая порошки для нанесения покрытий, лакокрасочные покрытия и системы защитной окраски
