Sand the sheet metal then apply a cutting compound and use a rotating buffing tool to polish the piece.
Buffing aluminum sheet.
This is one of many strategies to get aluminum to a mirror finish.
Always use cotton flannel sheets on tanks and flat surfaces any other surface plain cotton rags will work.
One side of these sheets and bars is polished to either a brushed finish or a mirror like finish.
In this aluminum polishing video you will learn how to polish aluminum parts look like mirror finish aluminum polish is very easy.
Slowly move the buffing pad in circular motions along the entire aluminum surface and then wipe the aluminum with a soft cloth.
First of all i used paint.
Polishing aluminum is a time consuming process but can be done with great results.
In the picture you can see the other side of.
After you buff using the brown cutting compound rebuff using a clean buffing pad and rouge cutting compound.
If you have sandpaper a buffing wheel and some compounds you can get pretty close to mirror.
I polished that aluminum myself but i didn t polish the whole sheet to a mirror finish.
Buff the aluminum using a buffing pad and brown cutting compound.
This will remove fingerprints and smudges.
For sheet metal start with a clean dry piece.
Wipe the aluminum off with a flannel or chamois cloth.
You want to use a liquid metal polish i use pro 40 and white diamond those are the 2 that i ve found give the best finish and shine.
Polish aluminum sheet metal to mirror finish.
Again always work in the direction of the grain with an up and down motion.
Polishing machined aluminum to a mirror finish.
Attach a buffing pad to a hand buffing machine and turn it on.
The polished side is covered with a protective peel off film.
Once the machine work is done.
To give it a glossy shine like that of chrome it needs to be polished.
To get clearer and clearer finishes you can chrome plate electro polish or do it th.
For small items like pots and pans first clean the item with soap and water then apply an aluminum polish or a paste made from cream of tartar.
When i turned my tardis model into an infinity box i used some pieces of polished aluminum for some of my mirrors.
It is strong and corrosion resistant plus it s easy to machine and weld.