Cutch Extract 1oz
Cutch Extract is produced by soaking the wood of the Acacia Catechu tree in hot water until a syrupy liquid emerges. It is then dries and ground into a fine powder. It ca be found throughout India, Burma, Indonesia and Peru. This extract is easily soluble in water.
- Dye Amount: 20-50% WOF for a medium depth of shade
- Color: brown, cinnamon, nutmeg and clove
- Light fastness: Excellent
- Wash fastness: Excelent
- Mordant
- Alum mordant at 15% WOF for protein fibers
- Alum mordant at 15% WOF for cellulose fibers
- Tannin mordant is not required.
- Dyeing
- Dissolve the powdered cutch in boiling water and add it to dye bath.
- Deeper colors can be achieved by first soaking the cutch extract in a weak mixture of caustic soda.
- Add 1 tsp lye or sodium hydroxide to 1 gallon of water. Soak for 1 hour.
- Add more water and neutralize with acetic acid or vinegar to pH7. Add this neutral solution to the dye bath.
- Add fibers to the dye bath and simmer at low temperature for 2 hours.
- Cutch does not easily exhaust and dyebaths can be used multiple times for lighter shades.
- Variations
- Alum mordant yields toffee browns.
- The addition of iron at 2-4% WOF yields chocolate browns
- Soda ash rinse will redden the cutch color.
- Addition of 2% WOF hydrogen peroxide during the final 15 minutes of dyeing will darken cutch considerably.
- Allowing the fiber to cool down and sit in the dye bath overnight will give the darkest shades.