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