How To Patina Copper Sheet

Basic copper is here to help.

How to patina copper sheet.

3 tablespoons white vinegar 5 45 ml 1 teaspoon table salt 5 ml 2 stirred very well until the salt dissolved completely. Do some experimenting and see what the results are. 1 made a solution with the following ratio. Clean the copper piece with a mild dish detergent and rinse the soap off thoroughly.

Remove soap oils and film. Oxidizing with liquid solutions green brown or other 1. Both happen when oxygen in the air interacts with the metal atoms in the presence of water. For project ideas and tutorials visit our patina sheet photo gallery and copper bar top countertop tutorial.

4 removed the copper and let it dry. The formation of patina on copper is similar to the formation of rust on iron. Copper reacts with oxygen that is in the air resulting in copper dioxide equation 1. The copper dioxide then reacts with more oxygen to form copper oxide equation 2.

I start by sanding the copper sheets with 220 grit sand paper. Stroke the copper item in a linear motion to give the metal an. Solution hot 180 to 190 f metal hot 200 f cold wash water applied after metal has cooled to around 100 f. Run the copper under water and sprinkle a small amount of table salt onto the side or sides you wish to patina.

Repeat until color develops. Wash solution over metal surface let dry then wash piece in cool water. Here s what i did. Scrub the copper item with an abrasive pad and water.

The resulting patina will vary depending on how much salt you use. For yellow green dip in dilute nitric acid then wash and dry. Be sure to view our copper sheet thickness guide and patina copper sheet faq to determine the proper thickness you need for your project. 3 let the copper soak for 30 minutes.

Add about 1 2 cup of regular table salt to the mix. After the sanding was finished up i moved on to giving all of the sheets a good washing with soap and water to get all of the grit grime and oils off. Rustic copper patina finish by rena klingenberg one of the fun things about working with patinas like this one is that the result is usually a surprise.