It is very important that the goods to be dyed are pre-scoured to be free of any processing chemical additives such as sizes, waxes, oils, peroxide, chlorine, or natural contaminates.
Do not exceed a pH of 9 when scouring rayon as the rayon will begin to saponify.
- Saturate goods in a 125°F(53°C) caustic solution containing 1-2% owb(solution) sodium hydroxide and 0.25% owf Orcoterge ALK-N Conc™.
- Hold goods in J-Box at 200°F-212°F(93°C-100°C) for 1 hour and 45 minutes.
- Wash goods through two water baths; first at 160°F(71°C) for 15 seconds then 110°F(43°C) for 15 seconds.