[1000ml]

[100ml]

Black Patina EX is not toxins or theatrical treatment, so it can be handled without documents such as poisons and theatrical acquisitions. It is a chemical that dye solder parts black. Apply to cloth and wipe dye If you have been soldered for time, an oxidation coating is invisible to the eye. In addition, when you touch the work during work, there may be some oil on the solder. If you are not able to clean the "de-acid" or "degrease" that removes the oxidation coating and oils, it will not stain well. Polish your artwork well before use. The degree of the front and rear treatment process will dye to a suppressed black or glossy black level.