SOP - Primer Sanding
• Prepare primed areas for application of basecoat/clearcoat.
• Refine scratches and featheredge primer into surrounding area.
Mirka Abrasives recommends the Unique or Best product for these applications. To customize your SOP, click the color coded box to choose the Good/Better/Best/Unique product for each step.
Dry Guide Coat - Black
9193500111
Follow manufacturer’s instructions for primer application and cure times.
Apply Guide Coat to highlight the repair area.
Autonet® P320
AE-570-320
MR-38CV-1
(3" x 8" Vacuum-Ready Orbital Sander)
*Also available in 5" & 16-1/2" lengths
Q.Silver® P320
2B-663-320
AF4418 DuraBlock - Grip
(2-5/8"X 11")
*Also available in 5-1/2" & 16" lengths
Gold P320
23-663-320
AF4418 DuraBlock - Grip
(2-5/8"X 11")
*Also available in 5-1/2" & 16" lengths
Basecut® P320
22-663-320
AF4418 DuraBlock - Grip
(2-5/8"X 11")
*Also available in 5-1/2" & 16" lengths
Using the MR-38CV-1 orbital sander, sand using P320 grit to level the primed repair. Alternate sanding direction to avoid creating deep, straight scratches. If bare metal or filler shows through the sanded area, it must be re-primed.
Use an DE-1230-PC portable dust extractor or other dust collection system when sanding.
Dry Guide Coat - Black
9193500111
Re-apply Guide Coat to highlight any deep sanding scratches.
Gold Soft P500, P800
23-645-500, 23-645-800
MRP-650CV
(6", 5mm orbit)
916GV48 Backup Pad
Q.SIlver® P500, P800
2B-611-500, 2B-611-800
MRP-650CV
(6", 5mm orbit)
916GV48 Backup Pad
Gold P500, P800
23-645-500, 23-645-800
MRP-650CV
(6", 5mm orbit)
916GV48 Backup Pad
Basecut® P500, P800
22-622-500, 22-622-800
MRP-650CV
(6", 5mm orbit)
916GV48 Backup Pad
Using the Mirka® PROS sander, featheredge and refine the 320 grit scratches from step 2 with P500 grit discs.
Metallics and other topcoats that are susceptible to showing primer scratches should be followed by P800 grit.