Monday, 28 February 2011

Dyeing of Ikat Orissa Yarn with Vat and Napthol Colors




Dyeing of Ikat Orissa Yarn with Vat and Napthol Colors

Vat Colouring of Handloom yarn:

For vat colouring of one muda ( equivalent to 10 hank/ phand locally or 8400 yards) of handloom yarn 2 gms of colour, 8 gms of caustic soda and 8 gms of hydrogen sulphide is added in 1.5 litres of hot water. The yarn is then dipped in the hot water and stirred. The yarn is then drained out of the container and allowed to cool down. It is then washed in cold water and then sun dried.

Napthal Colouring of Handloom yarn:

For napthal colouring of one muda  of handloom yarn 4 gms of caustic soda and 4 gms of napthal is added in 1.5 litres of water and boiled. The yarn is then dipped in the hot water and stirred. Subsequently the yarn is drained out of the container and allowed to cool down. 4 gms of colour is then added in another container having 1.5 litres of water and stirred. Now the napthal drained yarn is dipped in this container. Water is then drained out of the coloured yarn and sun dried.


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