Ground resin extract from Acacia catechu, sometimes called Catechu.
Use on protein or cellulose fibres. A source of lovely rich browns and rusts. Substantive but pre-mordanting recommended. Use at 20-50% WOF for medium shades.
TO USE: soak 24 hours in water to dissolve, stirring occasionally. Place extract and fibre in dyepot and add more water if necessary. Bring to a high simmer for 1 hour. Let fibre cool in dye liquor for at least one more hour or overnight.
Light and washfastness: excellent
NEW August 2019. 80% Merino wool (22-micron) / 20% Mulberry silk from Ashford of New Zealand.
Combed top/sliver. Ribbons of rich avocado green, dark olive and rust, with streaks of silvery white silk.
PRODUCT of NEW ZEALAND