How to Continuous/Steam Dye Cotton Using Orco Reactive R-Series™ Dyes
- Prepare and prescour cotton goods.
- Pad goods through dye bath at room temperature containing:
X gr/L(oz/gal) R-Series™ reactive dye properly prepared
2-5 oz/gal(15-38gr/L) Sodium Alginate (5% Solution)
0.1-0.3 oz/gal(.75-2.25 g/L) Orconol CHSA Conc™
- Dry goods @ 230°F-250°F(110°C-120°C) for 2 minutes.
- Pad goods through alkali bath at room temperature containing:
2.5-5.0 oz/gal(20-40 ml/L) Caustic Soda (38° Be’)
33 oz/gal(250 gram/L) Glauber’s salt
1.33 oz/gal (10 gr/L ) Orcotol MN Powder™
0-2.5 oz/gal(0-20 gr/L) Sodium Carbonate
- Steam @ 225 °F(110°C) for 20-30 seconds.
- Wash excess or unfixed dye off by cold rinsing, then a warm neutralizing rinse @ 120°F(50°C) using acetic acid.
- Thoroughly hot rinse and soap at boil using 0.25 oz/gal(2gr/L) Orcopon KP™.
- Warm rinse, then a final cold rinse.