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Influence of elastane on dyestuffs adsorption in blend dyeing is complex and in dependence on which kind of fiber it is combined with, what type of dyes applied as well as the percentage of elastane contained. For the dyeing of polyester/elastane-blends (2-10% elastane) with disperse dyes the results show a significant change in colour. The recipes for pure polyester must be adapted to blend. For polyamide blend with small percentage of elastane (4-8%) and cotton blend, the elastane has a lighter influence on colour. Therefore, the recipes for pure materials can be used for the blends. But attention must be paid to cotton blend with high percentage of elastane because of white core. In that case a separate dyeing of elastane is suggested, or, when produce fabrics, clear type elastane is better to combine together.