How To Patina Aluminum Sheet Metal

Try a mixture of 5 sodium hydroxide with about 5g l sodium chloride in it common salt.

How to patina aluminum sheet metal. Mix this with some sawdust and leave it for a few days on the aluminium surface it will give a corroded finish. Fill a quart sized spray bottle with equal parts cider vinegar and water. While we cannot see it the surface of a newly machined or cleaned piece of aluminum combines with oxygen in the air to form a self protecting coating of aluminum oxide. Then depending on the formulation allow the finish to sit for a few minutes up to a day.

Put regular bleach in a spray bottle and spray it onto the aluminum 2 x research sourcestep 3. Aluminum is a strange metal to most of us. Nitrate and nitric acid need be added. How to patina metal sheets step 1.

If you want a truly distressed and aged look but are working with shiny new aluminum you can sand it down. Following directions for the particular finish immerse the object in the stain or dye or spray brush sponge roll or rub it on. Strip galvanized metal to prepare it for a rust patina by soaking the metal in a solution of 90 percent vinegar and 10 percent lemon juice overnight. Air dry the object before applying patina.

If it is not corroded enough put the sawdust back for a few more days or until it is the finish you need. If this surface continues to grow get thicker the. Lay your metal sheeting out on a plastic tarp. Then add an equal amount of salt to the vinegar stir it thoroughly and insert the metal so it can sit in the solution and create a vinegar salt patina.

Obviously the options for finishing are many but i thought i would throw this up there for those of you who might want to attempt something different. Add vinegar to your clean dry container so there is enough to completely submerge the metal. How to patina aluminum alternative finishes. Step 1 rough up the surface with sandpaper.

If you have many small sheets line them up so they do not touch. Soak the metal in vinegar. As the chemicals react with the metal surface a colored pattern appears. This happens within minutes.

Rub a thin coat of olive or linseed oil onto the aluminum using latex gloves. Add about 1 2 cup of regular table. Wear a mask and protective gloves when working with bleach. Mix together in a spray bottle 1 cup hydrogen peroxide 1 cup white or cider vinegar and 2 tbsp salt this mixture can be used on any metal for an aged patina like brass copper galvanized aluminium or steel if you re aging small items like keys or hardware you can put the mixture in a bucket and let the items soak overnight.

Spray down the entire. Do this in a well ventilated area so fumes can easily disperse. Use 80 grit sandpaper to rough up the surface of the metal 1 x research sourcestep 2 spray your aluminum with bleach.