This dye is manufactured from the dried roots of Rheum Emodi which is a traditional natural dye from the Himalayan mountains between India and Bhutan.
Create a deep golden yellow color with alum mordant. Shift pH with cream of tartar or soda ash to create more yellow or pinks and brick red colors.
Overdye with indigo for deep emerald greens.
Use at 5-10% WOF.
100 grams of Himalayan Rhubarb will easily dye 1 kg of fiber.
Sustainably and renewable source, fair trade supply.
Hymalayan Rhubarb Powder
Keep in a tightly closed container, stored in a cool, dry, ventilated area. Protect against physical damage. Maintain a constant temperature not to exceed 24° C. (75° F.). Containers of this material may be hazardous when empty since they retain product residues (dust, solids); observe all warnings and precautions listed for the product.
Heath and Safety
Do not ingest. Do not breathe dust. Wear protective gloves, safety goggles and a dust mask when handling fine dye powders and mordants.
Possibly harmful when swallowed or inhaled
Natural dye powders are no known environmental concern. Mordants and mordanted dye baths should be disposed in a sensible way according to your local waste disposal laws.