What is the pigment for denim? Is it harmful to your body?

Author：admin   Date：2017-12-09

What is the color of denim, is it harmful to the body? The dyestuff and dyestuff of the fabric are national standard. If it is produced according to the national standard, it is generally harmless and harmless to people. Fading is just a problem of color fastness, and it is not necessarily harmful. You don't have to worry too much. If you use the unqualified dye, damage to people, if the skin irritation, allergy and other phenomena, the skin will appear papules, erythema, itching and other skin discomfort symptoms.
The main color is indigo based on sulfur dyes, specifically divided into the following:
1, the indigo based on sulfur dye: this series of indigo dyed black, and color yellow, yellow brown, sulfide sulfide sulfide sulfide and green and blue, gray or 2 - 3 cylinder vulcanization color, the corresponding color color can be according to customer needs, all kinds of color styles, distinct.
2, sulfur dyes as background dye indigo: this series of gray and black garland garland, with more yellow brown and yellow garland, garland, green garland, such as background color "is shallow, the main color color effect is not so large, and the resistance to washing after washing can continue the brilliant blue, indigo blue cloth, not astringent, non yellowing.
3, curing dye color series: single or double available dyes, three pieces to obtain the required color, in order to ensure the stability of the color, the use of more than three kinds of dyes as much as possible. The bright colors, make most of the available color denim dyeing with sulfur dyes and active dyes and vat dyes, the cost is relatively low. Vulcanized on the current market popular color is khaki, beige, gray, red, pink and other rust. The main points of control: because the difference between dye uptake rate and oxidation time of dyeing matches causes many color numbers and unstable colors, especially those that are partly dyed with red and brown. Therefore, we should enhance our sense of responsibility in the production experience. Besides the stability of dyeing temperature and flow, we should pay close attention to the change of every color and light and adjust it in time, so as to reduce the color number as much as possible.
4, pigment dyeing, pigment dyeing: the current market is rare, the most prominent feature of this method is dyed bright, color stability, environmental health, no sewage discharge.
5, vat dyestuff series: compared with sulphur dyed color cowboys, vat dyes have excellent color fastness except for complete chromatography, and have obvious advantages in acid, alkali and rinsing.