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color retention stresses
paint.varn.	цветоустойчивость (Zhhhuk)
perf.	сохранение цвета
polym.	стабильность цвета; цветостойкость
tech.	прочность окраски (The ability of paint to keep its original color. Major threats to color retention are exposure to ultraviolet radiation and abrasion by weather or repeated cleaning. Found on spectrapaint.com Alexander Demidov)