Use on degreased, unvarnished metal, DO NOT SPRAY.
Degrease the metal well with washing-up liquid and hot water(don’t hesitate to do it twice) and dry.
Apply the product with a brush, sponge, wetting tool (the inside of the wetting tool must be plastic) or dip* and wipe off immediately with a cotton cloth.
DO NOT WAIT, RINSE WITH WATER AND WIPE DRY
Final color will be obtained after about 24h00
rinse with water
to stop the acid reaction
The metal must be immersed for one second, as overexposure to the product causes oxidation layers to build up, which will peel off after drying.
After this operation: wipe immediately