An acid based oxidizer which produces an instantaneous deep black patina on silver, gold, copper or bronze. Corrosive UN 1789.
WARNING!
Carcinogen – www.P65Warnings.ca.gov
An acid based oxidizer which produces an instantaneous deep black patina on silver, gold, copper or bronze. Corrosive UN 1789.
WARNING!
Carcinogen – www.P65Warnings.ca.gov