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Process to remove clearcoat runs:
1. After clearing your vehicle, if you notice a run, spray 2-3 more coats of clear over it waiting approximately 5 minutes between coats to increase millage.
2. Fully cure the run with a heat lamp or out in the sun for a day.
3. Wipe off area to be sanded with wax and grease remover or soapy water and wipe dry.
4. Cut a plastic body filler spreader to about 2.5 inch or less as needed for your situation and apply p320 grit dry sticky paper to it.
5. Sand across the run or sag with firm pressure varying direction until the run is removed. (For best results after this step apply heat lamp or Sun again to make sure the area where the run was, is filly cured through)
6. Use p500 dry paper on a straight acrylic block, aluminum or a similar hard straight block over the run area to further flatten the run and remove the 320 scratches.
7. Proceed with 800 or 1000 grit wet/dry paper. I prefer this step wet with a firm rubber block such as a Dura block.
8. Finish the wet sanding process with 1500, 2000, 2500, 3000 (3M trizact or similar product. No need to use a block with these grits since the panel will have been cut and blocked straight in step 7. I use 6" 3000 trizact with a da sander. 5000 trizact can also be used to help achieve the ultimate show finish.
9. Your clear is now ready for polishing. I use 3D products for best results (3Dproducts.com) Their wool pad with AAT501 followed by AAT502 on their black foam pad. Use AAT505 with a soft foam pad and 6" DA polisher. Last step is Adams polishes Americana wax by hand application.