The indigo dyeing and processing methods -currently used – for dyeing indigo warps were introduced from 1978- 1987 to obtain a higher productivity and savings in dyeing or to achieve the required darker shades (hard rock washing, super blue, soft denim), or softness of the yarn for final finishing. The following table gives you a comparison of the possible processing stages such as: 1- Indigo rope dyeing process 2- Indigo one sheet dye slashing 3- Indigo double sheet dyeing 4- Loop dye 1 ...Read More

Tags: denim dyes

Advanced Denim is a new concept based on two new sulphur dyes - introduced by Clariant last week in the Blue Zone fair. They mention that from a technology point of view, Advanced Denim offers fast-to-repetitive washing, good rubbing fastness and an easy application process. Environmentally, it features an ecological dyeing process (no hydros, less water consumption), denim that fulfills GOTS requirements, and wash-down bleaching without the need for hypochlorite (Aox free). Fashion ...Read More

Tags: denim developments, denim dyes