1) quick sealing oxide film 2) great improvement in hardness and corrosion resistance 3) pH stable Product FeaturesThis product is light green and cyan powder, made with Ni…F compounds, F macromolecular compounds, accelerators, stabilizers, ash inhibitors, wetters, surface active agents, etc. quick sealing oxide film, Ni2+ filler and RFm coating make the profile surface cyan, bright and smooth, ...