Katha (catechu), an extract of its heartwood, is used as an ingredient to give red color and typical flavour to Sweets in India After Obtaining Katha (catechu), it’s waste is known as Cutch and this waste is used to make Garnet Brown.
Colour Imparted:-
It gives different shades of brown with different mordents.
Ayurvedic/Medicinal/Healing Properties :-
Externally it is employed as an astringent and as cooling application to ulcers, boils and eruptions on the skin.
Dyeing process :-
Mordant the cellulose Fibers with Alum 10% Wof for 30 mins at 80C.
After Mordanting one wash to the fiber,
Take Garnet Brown as per the desired shade, for medium take 10% wof and dye the fiber for 1 hour at 100C.
Now wash with non-ionic soap.