FIXER D is a fixing agent for reactive and direct dyes suitable to improve wet fastness after dyeing or printing processes.The product is completely formaldehyde-free and does not release it by hydrolysis; it also does not contain derivatives and / or traces of epichlorohydrin.The treatment is preferably carried out at pH 4.5 – 5.5 with non-thermolabile pH regulators such as SOFTACID NCM or CIT.
