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Basic Dyes for Acrylic - Application of Acrylene Dyes

Time/Temperature Graph
Step ASet the bath at 70°C - 80°C with 5-10% Glaubers Salt anhydrous and 0-3% Sodium Acetate (crystals). Adjust pH to 4-4.5 with Acetic Acid
Step BAdd 0-3% Neutrasol PAX (Retarder)
x% Acrylene Dye (Pre-dissolved and sieved)

Run for 5 minutes then raise dyebath temperature slowly at 0.5-1°C per minute to 100°C. Run at the boil for 60 minutes. Cool/drop bath.


  1. Cationic dyes interact with anionic products. If these are present in the dyebath precipitation of the dye or other adverse effects may result. This type of interaction can often be overcome by including 1-2gl/l of Neutrasol OC in the dyebath before adding the dissolved dye.

  2. The amount of retarder (Neutrasol PAX) required depends on the fibre, the dye and the stage of processing. It is best calculated from the saturation value of the fibre and the F values of the dyes or lubricants. F value of Neutrasol PAX is 0.8

All information is provided for guidance and in good faith but without guarantee. Suitability for application and end use requirements remain the users responsibility. Illustration of the product does not imply freedom from patent restrictions in any particular market.