2021-04-19

The advantages and disadvantages of cheese dyeing with vat dyesToday, when reactive dyes are widely used, in the field of cellulose fiber dyeing, Vat (Shihlin) dyes still have an indispensable place. Reactive dyes have poor fastness to chlorine and sunlight, which cannot meet the requirements of hig Read More

2021-02-05

Vat dye yarn dyeing methodVat dye yarn dyeing method, vat dye is a major category of cotton yarn dyeing of current colored fabrics. The dyed yarn is not only bright in color, but also has excellent fastness. Most of the light fastnesses are above level 6, and some varieties are as high as level 8. T Read More

2021-02-03

Vat dyeing process methodThe method of vat dye dyeing process, after vat dye leuco body and then into dyeing insoluble dye. First, it becomes soluble leuco sodium salt through reduction in lye, which is adsorbed by cellulose fiber, and then it is oxidized to return to the original insoluble dye. Gen Read More

2021-02-01

Characteristics and applications of vat dyesCompared with other dyes, vat dyes have a series of remarkable features.1. The color is mostly intermediateThe color of vat dyes has the characteristics of a complete series from yellow to black, from bright colors to general colors. Its biggest feature is Read More