If you are using usual waterborne coatings, wood stains dissolve from the substrate and lead to a colour change. With our DKV.4171 we have the solution! The cationic nature of this resin helps to lock stains in the primer preventing migration to the surface. The waterborne DKV.4171 locks stains, dries fast and is eco-friendly. In addition, this resin offers a good adhesion to wood, old coats and mineral substratesf.