Natural Dye Mordant Pack for Protein Fibres
Aluminium • Iron • Copper
This Protein Fibre Mordant Pack is designed for natural dyers working with wool, silk, alpaca and other protein fibres. It includes three essential mordants used to prepare fibres and modify colour in botanical dyeing.
Perfect for beginners building their dye kit or experienced dyers wanting reliable, high-quality mordants in one convenient pack.
What’s included
• 250 gm Aluminium Sulphate – the primary mordant for protein fibres, producing bright, clear colours
• 100 gm Ferrous Sulphate (Iron) – used as a mordant or post-dye modifier to darken, sadden, or shift tones
• 100 gm Copper Sulphate – a colour modifier that deepens and intensifies certain hues
Suitable for
✔ Wool
✔ Silk
✔ Alpaca
✔ Cashmere
✔ Other protein fibres
Why use mordants?
Mordants help natural dyes bond to fibres, improving colour fastness, longevity, and depth. Iron and copper can also be used in small amounts after dyeing to create beautiful variations from a single dye bath.
How to use
Each mordant is used separately and measured by weight of fibre (WOF). I
Instructions for safe handling and basic usage are included.
Please note: Copper and iron should be used sparingly and responsibly.
Important safety information
• For dyeing and educational use only
• Not for food use
• Wear gloves and avoid inhalation of powders. Follow saftey recommendations.
• Dispose of dye baths responsibly
✨ Ideal for natural dye workshops, studio practice, or home dye projects.
If you’d like this pack customised (larger quantities, workshop bundles, or cellulose-fibre versions), feel free to get in touch.