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Problem

What grit removes dust nibs in clear coat?

Small dust bumps can remain trapped in clear coat after drying.

clear coat wet sanding dry sanding between coats
Answer

For clear coat dust nibs, wet sand lightly with 1500 or 2000, then 3000 before polishing.

Why it happens
Dust nibs are raised defects that need light leveling before final polishing or recoating.
Recommended grit
Use 1500 or 2000 for small nibs, then 3000 before polishing.
Wet or dry
Wet.
Success check
The nib is level and the surrounding haze is even before polish.

What to do

  1. Let the clear coat cure enough to sand safely.
  2. Wet sand the nib lightly with 1500 or 2000.
  3. Refine with 3000.
  4. Polish after the haze is even.
Avoid: Do not use coarse grit on small dust nibs in clear coat.

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