Alternative to Bright Dip Anodizing Trim
It really depends on what grade aluminum the extruder used to make the parts before they were anodized. Bright dipped aluminum goes through extensive processing IE a cleaning tank, desmut tank, acidic tank and a Dynapower tank which cranks a special tank solution with some major DC Current. The diodes and thermistors in the Dynapower unit were the size of hockey pucks! We had 8inch diameter aluminum logs bussing the current to the tank at Bonnell. So you will hope to have 1000 grade aluminum underneath the anodizing process to get a good polish. We also had a huge industrial buffer that would polish the aluminum and for some customers even polish the post anodizing products. We made a lot of aftermarket automotive trim even the old aluminum running boards and mudflaps for the 1970's pickup trucks. So do your best to dull it down evenly and then give it a good buff and it will shine. Bonding it with a hard clear should preserve the work you have done to prep and polish the pieces.