Detailed Product Description
Vs dyestuffs possess poor affinity for cellulosic fibers in absence of salt and alkalies.
For this reasons, they are suitable for use on pad. Their substantivity can be increased by addition of glaubers salt or common salt and alkali, making the dyestuff suitable on all conventional dyeing machines for loose material, yarn in hanks and packages and piece goods. The dyeing methods may therefore, be classified under the padding and exhaust process, standing baths are not recommended, as in alkaline medium inactivation of the dyestuffs by reaction with water takes place as a site reaction.