| Definition |
 |
Discolored patches on metallic
middle coats. |
| |
|
| Cause |
|
Surfacer or putty sanded
through in patches. |
|
Too much hardener was used
in polyester putty. |
| |
|
| Prevention |
|
Isolate those patches which
have been sanded through. |
|
Avoid using too much hardener
in polyester putty. |
| |
|
| Remedy |
|
Sand the whole area after
it has through dried, clean with silicone
remover and respray. |
|
If too much hardener was
used in polyester putty, remove polyester
putty, sand and carry out repair job again,
using correctly mixed putty. |
