... In acrylic dyeing resistance on a four-tier 5 coptidis thizoma.useAlkaline PinLu used to dye the silk, ... to bask in fastness, and all the other coptidis thizoma (soap to wash, sweat be soiled, etc ... dyeing wool, silk, cotton is a bit poor coptidis thizoma. Can also be dyed leather, paper, hemp ... magenta spell dye wool terylen, black color, and coptidis thizoma had increased. Used for testing the acrylic ...