Description
Granodraw E-Phos is a new pre-treatment process for sludge-free formation of zinc phosphate coatings on wire used for drawing. The process is enhanced by an electrical current, providing better surface quality, shorter treatment time, and lower process costs. Key characteristics are: zinc phosphate formation on steel wire using electricity, a continuous in-line process, short treatment time, environmentally friendly (sludge-free) formation, higher productivity, improved die life in drawing, and higher quality (lower