| Definition |
 |
Crater-shaped indentations
with raised edges. |
| |
|
| Cause |
 |
Substrate was not thoroughly
cleaned with silicone remover. |
 |
Air supply was contaminated
with oil or water. |
 |
Ceiling filter does not
meet the requirements. |
| |
|
| Prevention |
 |
Ensure that regular maintenance
is carried out on the compressed air lines. |
 |
Ensure that the filter
is changed regularly (secondary filter once
a year, primary filter every |
 |
Thoroughly clean surface
with silicone remover before respraying. |
| |
|
| Remedy |
 |
Sand the paint surface,
clean with silicone remover and then apply
the middle coat again. |