The ability of dyed products to retain their original color during use or subsequent processing.
Exhaust Dyeing
It is the method that to dip the textile in dyeing bath and after a certain time, the dyes are dyed and fixed on fiber.
Pad Dyeing
The fabric is briefly impregnated in the dyeing bath and then rolled by roller, so as to squeeze the dye liquor into the fabric space and remove excess dye liquor. Thus the dyes are evenly distributed on the fabric. And the fixing of dyes is finished in the later air steaming process.
Bath Ratio
The ratio of the volume of dye liquor to the weight of dyed fabrics.
Pickup
The percentage of the weight of the dye liquor on the fabric to the weight of the dry cloth.
Migration
It is the phenomenon that in drying process, dyes move in the direction of water evaporation, which causes color shading.
Substantivity
The property that dyes dye on the fiber after leaving dyeing liquor. Generally it can be expressed by the percentage of dyes dyeing at the time of dyeing balance.
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Post time: Jan-12-2024