Used in the treatment of steel, zinc, aluminum and their alloys, Gardolene V 6522 promotes the formation of finely-grained zinc phosphate coatings and can tolerate hard water.
Gardolene V 6513 is a high performance activator with a long bath life. It provides for the formation of exceptionally fine-grained zinc phosphate coatings, especially on materials that have been degreased with strong alkaline cleaners or pickled with acids.