People who have been in the fabric industry often hear the word chromatic aberration. There is a wide range of chromatic aberrations. The common classification is: sample color difference, color difference between batches, color difference between left and right, color difference within batches, etc. Along with the continuous expansion of textile export of our country, people are more and more strict to textile requirements. So how does the color difference come about?
Because of the different composition of various fabric fibers, the dye types and process equipment used in dyeing are also different. In addition, Cut resistant fabric supplier there are different requirements and characteristics in the dyeing process, and the causes and properties of color difference are also different. The appearance of color difference of fabrics is varied, but there are three main reasons.
The early distribution of dyes on flame retardant fabrics is uneven. Before dye fixation, if the distribution of various parts of the fabric is uneven, the fixed color will inevitably form a fabric color difference.
◆ Absorbing factor: due to mechanical structure or improper operation, Cut resistant fabric supplier the liquid rate of each part of the fabric is not consistent, resulting in color difference of the fireproof fabric. Roll is not uniform, add dye is not uniform will make the fabric absorb dye is not uniform.
◆ Pre-drying factor: when pre-drying after soaking the dye solution, Cut resistant fabric supplier due to the inconsistent drying rate and degree, the dye swimming degree is different, the dye distribution on the fabric is not uniform.
The degree of dye fixation on flame retardant fabrics varies
Although the early distribution of the dye on the fabric is uniform, during fixation. If conditions are not properly controlled (e.g., temperature, time, dye concentration, etc.), the dye in some parts of the fabric does not get enough fixed color and is removed during post-treatment soap washing. Resulting in flame retardant fabric color difference.
The main factors leading to color difference of flame retardant fabrics are:
◆ Factors before dyeing: the whiteness or pH value of the half product is different, and the color difference is larger after dyeing.
◆ Dyeing factor: in the finishing process. If the resin finish, high temperature stretching and fabric PH are different, the dye color will change to different degrees.
Post time: Nov-04-2022