Finishing aluminum components

Steps followed to finish an aluminum component:

Method-1

1) Clean and degrease

2) 1 coat of etch primer – 5 microns thickness – air dry for 12 hours

3) 1 coat of primer

4) 2 coats of finish

Method-2

1) Clean and degrease

2) Chroming / low zinc manganese phosphating followed by D.M. water rinse and oven drying

3) 1 coat of primer

4) 2 coats of finish

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