Pronice ultra black in combination with pronice silver black produces deep black oxide layers on silver surfaces. The coloration is chemically stable and inert. Since pronice ultra black contains no free sulfur, there are no unwanted darkening or yellowing effects. The solution works only in direct contact, meaning there is no contamination of other parts through evaporation. pronice ultra black is compatible with our tarnish protection systems. Therefore, pronice ultra black is used by jewelry manufacturers (industry), electroplating companies, gold and silversmiths, small-scale and private users, and for decorative silver surfaces.
Packing: 1 L (ready-to-use)
Catalogue
▢Blackening/Oxidizing agent for silver – results in a deep black coloration
▢Chemically stable and inert
▢Contains no free sulfur
▢Jewelry manufacturers (industry)
▢Electroplating companies, gold and silversmiths
▢Small-scale and private users
▢Decorative silver surfaces