what grit scratches

D

deto326

My car is at the last epoxy prime with reducer to seal (I hope) then base and clear. what grit scratches should I have on the 2k surface before putting on the sealer? As it sits now it has been blocked with 320 do I need to reblock with finer grit? Also if I have to block the epoxy sealer due to my inexperienced painting what grit should I use before base? And again with my inexperience painting and have to block the base what grit should I use? Also If I mess up on say the first base coat should I block sand before the next coat or wait till I have the last base coat on then block?
I know these questions sound stupid but this is my first time doing this and I just want to get it as close to right as I can .
As always thanks for the info to help out a dummy.
Dave
 
Click on the SPI site button then on the products/ tech manual tab and you'll find a plethora of info.
 
Whatever process you use it's worth it to take a little time and spray out a test panel with all the products and sanding steps that you plan on doing.

If you find you have an issue while your painting the base (hit the rocker with the hose, etc), let it flash so it's dry to the touch and sand out any imperfections with 600 wet. You might need to spot in that area before the nxt coat to get even coverage. Normally you don't do any sanding between coats or before clear. Let the base sit over night and clear the next day.
 
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