|Use In||Textile & Paper Industries|
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Reactive High Exhaust (HE) Dyes are recommended for dyeing of Cellulosic materials i.e. Cotton and Viscose Rayon and their blends. This shade card illustrate (combination) High Exhaust Dyes with good allround fastness properties.
Preparation of Goods : Goods should be evenly desized, scoured and bleached to obtain good results. Mercerised cotton material will give more brighter shades and very good colour yeild.
Dyeing Method : Dissolve require amount of Dye using warm water at 60°C. Set the dye bath at 30-35°C with Common Salt or Glauber Salt. Add dissolved dye and start dyeing. Slowly raise temp. to 60°C within 20 minutes. Add disolved Soda Ash (Alkali) and raise temp. further to 80-90°C. Continue dyeing at 80-90°C for 30 minutes. Finally goods are washed off and give soaping at boil using 1-2 gpl Neutral Detergent.
Reactive HE Dyes : Are specially developed for high exhaution & high build up with better fastness properties, TIRUPATI TRAD. CO. has developed few popular
shades which goes very well on cotton yarn, knitted fabric etc with very superior fastness properties
Salt and Alkali Requirement
|Salt g/l||Soda Ash g/l|
|Up to 0.5 %||30||10|
|0.5 to 2.0 %||50||15|
|2.0% to 4.0 %||75||20|