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Direct Dye

Aug 08, 2018

These dyes are named because they can be directly dyed on cotton, hemp, silk, wool and other fibers without relying on other agents. Its dyeing method is simple, the chromatography is complete, and the cost is low. However, its fastness to washing and light fastness is poor. If appropriate post-treatment methods are used, the fastness of finished dyed products can be improved.