Himalayan Rhubarb Dye Powder

Botanical name: Rheum emodi

Common name: Indian Rhubarb, Dolu, Chukri

Colorant:
Chrysophanol

Dye type:
Adjective dye (Requires mordants like alum for fixation of color)

Shade Range:
Produces deep golden yellows to red orange tones, depending on the mordant and pH used on the dye.

Mordant Requirements:
Alum gives yellow tones, iron gives deep olive-green or brown shades. On acidic conditions this dye will yield more yellow and on alkaline conditions more orange to reddish tones.

Fastness:
Good light and wash fastnesses are afforded by the dye when mordanted with alum on natural fibers, such as wool and silk.

Common Uses:
Wool, silk and cotton dyeing.

Country of Origin:
India, Nepal, Bhutan and Himalayan region

Vegetarian product: Yes