Grey to Black Color Extraction from Walnut Hulls
Color Source & Pigments
- Walnut hulls contain juglone, a natural dye compound that produces brown to deep black tones.
- The color darkens with oxidation and reacts with iron mordants to produce black hues.
Extraction Process
- Water-Based Extraction (For Natural Dyeing & Inks)
- Alkaline Extraction (For Ink & Paints)
Uses of Walnut Hull Extract
- Natural fabric dye – Produces brown to black tones on wool, cotton, and silk.
- Black walnut ink – Historically used for writing and calligraphy.
- Wood stain & leather dye – Enhances natural textures with rich dark hues.
Would you like an industrial-scale extraction method?
