Due to capital intensive nature, the number of yarn and fabric processing units established in Pakistan are not sufficient to cater to the growing demand of dyed yarn.
The most commonly used processes for imparting color to cotton are piece dyeing and yarn dyeing.
Finishing, as the term implies, is the final step in fabric production. Hundreds of finishes can be applied to textiles, and the methods of application are as varied as the finishes.
The pretreatment is to remove coloring matter and the impurities introduced during the fiber and yarn spinning and weaving processes, such as spinning oils, antistatic agents, lubricants.