14. How to judge and evaluate the process effect in the desizing, scouring, bleaching and mercerizing processes?

The judgment method is as follows: 1. Desizing: Desizing is the first important process in textile processing. Its purpose is to remove the sizing in the fabric so that the fibers can be better loosened and separated.

The main indicators to evaluate the effect of desizing process include desizing rate, residual slurry amount, fiber damage degree, etc.

The desizing rate refers to the degree of sizing removal from the fabric after desizing and can be calculated by measuring the weight change of the fabric before and after desizing.

The amount of residual sizing refers to the amount of sizing remaining on the fabric after desizing, and can be measured by chemical analysis methods.

2. Scouring: Scouring is the second process of textile processing. Its purpose is to remove impurities such as cottonseed hulls, pectin, and pigments in the fabric to make the fabric whiter and looser.

The main indicators to evaluate the effect of the scouring process include scouring efficiency, whiteness, wool effect, etc.

Scouring efficiency refers to the speed and degree of impurity removal during the scouring process, and can be calculated by measuring the weight change of the fabric before and after scouring.