Mask off any non metal areas around the scratched aluminum using tape.
Remove scratches from aluminum sheet.
Fortunately you can remove scratches from many types of metal including brass and stainless steel with some serious elbow grease and the appropriate type of metal polish.
Use strips of blue painter s tape or masking tape.
Cover up any sensitive or delicate parts of the aluminum object that you don t want to accidentally scratch or get polishing compound on during the polishing process.
Unfortunately if your aluminum laptop has deep scratches and you couldn t find anything for scratch removing then go to amazon and buy rolite metal polish.
Polishing cutting aluminum to remove scratches i m working on a couple of aluminum pieces which i ve used the cross sanding technique from 320 grit it was pretty deeply marred up to 2000 grit wet sanding.
Not familiar with with that polish but it probably has some coarser abrasives to help cut the surface of the aluminum.
Polished aluminum can be so reflective as to be almost mirror like.
Of course with time and usage almost any aluminum from car rims to household appliances becomes scratched and dulled.
Scratches have a tendency to deepen with time so it is a good idea to keep your aluminum items looking their best at regular intervals.
It can be used as a macbook scratch remover as it is basically made for metals like aluminum bronze copper chrome brass and stainless steel etc.