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.

How to patina copper sheet. Solution hot 180 to 190 f metal hot 200 f cold wash water applied after metal has cooled to around 100 f. Cap the spray bottle and shake it vigorously until the salt dissolves. Copper reacts with oxygen that is in the air resulting in copper dioxide equation 1. I start by sanding the copper sheets with 220 grit sand paper.

Basic copper is here to help. The formation of patina on copper is similar to the formation of rust on iron. For project ideas and tutorials visit our patina sheet photo gallery and copper bar top countertop tutorial. Both happen when oxygen in the air interacts with the metal atoms in the presence of water.

1 made a solution with the following ratio. Stroke the copper item in a linear motion to give the metal an. Remove soap oils and film. Be sure to view our copper sheet thickness guide and patina copper sheet faq to determine the proper thickness you need for your project.

Wash solution over metal surface let dry then wash piece in cool water. Run the copper under water and sprinkle a small amount of table salt onto the side or sides you wish to patina. The copper dioxide then reacts with more oxygen to form copper oxide equation 2. Here s what i did.

Scrub the copper item with an abrasive pad and water. This one unexpectedly turned out looking like a landscape painting with a tree over at the left side. Oxidizing with liquid solutions green brown or other 1. 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.

For yellow green dip in dilute nitric acid then wash and dry. 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. 3 let the copper soak for 30 minutes. Repeat until color develops.

Step 1 fill a quart sized spray bottle with equal parts cider vinegar and water. 4 removed the copper and let it dry. The resulting patina will vary depending on how much salt you use.