| use | reactive brilliant red KE-7B is suitable for dyeing cotton, hemp, viscose fibers and polyester-cotton and polyester-viscose blended fabrics. The color light is slightly brilliant blue.
mainly used for dyeing cotton, hemp, viscose and other fibers and polyester/cotton, polyester/viscose blended fabrics |
| production method | using tulic acid (2-naphthylamine-1-sulfonic acid, Tobis acid), h acid, cyanuric chloride and p-phenylenediamine as raw materials, first sulfonate of tulic acid, then diazotization, coupling with h acid, and then the first condensation of cyanuric chloride and the coupling substance, and then the second condensation with p-phenylenediamine to obtain the product. The finished product is salted out, filtered and dried.. |