Applying saffron petal and oriflamme as wastage for wool yarn dying and color fastness

Natural dyes have been an integral part of the human life and his society. Natural colorants are color substances with high and average fastness which originated in plants and animals. The foresaid play an essential role especially in traditional coloration. Biological behavior، color fastness، economic characteristics and intrinsic affinity are some beneficial properties of natural colors have caused that these colors are renowned. In this project، colorants were produced from saffron wastage، and wool yarns were mordant. These mordant dyes were colored in the existence of foresaid colorant. Light and washing fastness of the yarns were investigated then. The results showed that the yarns with various mordents have varied variances and the combination of light and washing fastness observed in acceptable levels.