| The non-phosphorous film forming agent is a non-phosphorous, non-zinc, non-Mn, non-nickel and non-VOC environmental-friendly pre-treatment agent, it is a nano pretreatment new technique, and it could replace the traditional phosphor products and crafts, which could be widely used in pretreatment of cold rolled steel, galvanized steel and aluminum coating and could clearly strengthen the adhesion and corrosion resistance of aluminum coating.
 
The non-phosphorous film former is room temperature operation product, no need to modify the original phosphate equipments and the production lines, only minor adjustment of the craft procedure is needed before application, the operation and control are simple, which could clearly reduce the production cost and remove the phosphor pollution of the environment.
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