Will only give basic info after all running a business

Now you could use a hobby aircompressor basicly 1hp with a 5ltr tank for this job and a GOOD spot repair spray gun ..As you will only need around 1-1.5 bar of presssure for such a small job
First clean all area to be painted with degreaser get rid of that tyre slick (nasty stuff) if you silicon presure wash of with very hot water
The scrape has been sanded down with an orbital sander "electric"
Must be figure of eight orbital as spinning will cut the surface and we dont want that on a basic graze
Use 180 grit orbital discs to sand down "by hand 120 freecut grade"
Finish off with 400 wet and dry and finally 1000 wet n dry for primer
only sand the area that will be primed with 1000 do not do the whole area where paint will carry out to "next stage followed down"
This repair will be around 6" from the graze with silver cromium fine lenticular on this type of silver ...As the finish will not show any grain of allu particals
Next
Use what we call a scotch bright "basicly a pan scourer" colour will be gold or if not available grey ...Rinse the scourer in warm water to soften the fibres then basicly rub where you will go with the laquer..with water or a prep paste for scotching 3m or glazurit and farecla have one."i use 2k isocyianate free product "Do nut use acrylic as will not conform to new iso laws unless in a spray can but personaly no good at all ...
Clean area off after prep and mask ....
First primer to use i would reco a good etch primer do not use red oxide this has alot of chromates in the mix and can sometimes blead through the silver in weeks to come
Next use a good paint brand if spraying i use water based from the leader in car paints "will not say what that one is but heres n idea" have used standox ,ici,ppg,glazurit,and sikkens....Other paints are also good from your local autofacters ask for a match to your wheel....Silvers in a can can be obtained from halfords but i am not going down the can route in this little thread...
Next picture to follow....