Answer
Avoid sanding textured black plastic trim. For paint prep only, test 600 or finer lightly.
Why it happens
Textured trim is easy to damage because sanding removes or flattens the surface texture.
Recommended grit
Avoid sanding textured trim. For paint prep only, test 600 or finer lightly.
Wet or dry
Dry.
Success check
The trim is not scratched or flattened beyond the repair area.
What to do
- Clean the trim first.
- Avoid sanding textured visible trim unless repair requires it.
- For paint prep, test 600 or finer lightly.
- Stop if the texture changes.
Avoid: Do not use coarse grit on textured black plastic trim.