1 The method of this unification has the aim of determining the fastness of dyes on textiles, of all kinds and in all their transformation phases, subjected to the action of daylight. 2 The method can be used to determine the fastness of dyes by applying them to textiles under the specified conditions and degree of brightness, then subjecting the colored textile to the test.
UNI 5146-1963 history
1963UNI 5146-1963 Textiles: color fastness test, color fastness to sunlight