(1) Rinse the fabric with clean water, then iron the fabric with steam according to the process size to iron and finalize the design, make the cashmere products smooth, check and repair defects after the size is qualified;
(2) Dip the cashmere products into the dyeing liquid according to the prescribed process, and gradually extract from the bottom to the top, so that the product will be dyed with a gradual change of color from light to dark;
(3) The first dyeing temperature was 85℃, the time was 35 minutes, and the second dyeing temperature was 36℃;
(4) Dyestuff: plant dyestuff 3-15% OWF, plant dyestuff resistant salt 25g/L, soda ash 5g/L;
(5) After the lifting and dyeing is finished, it shall be immediately immersed in the fixing agent to prevent coloration and contamination, and the fixing time shall be 20 minutes;
(6) After fixing the color, rinse with clean water and then shrink. According to the shrinkage process, put in quantitative softener, which can be soaked for 45 minutes at the temperature of 36° C before rinsing, drying and ironing (size).
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