Crackle phenomenon of paint coat

Reasons:

1. Prime and surface paint not match, flexibility and rigidity grade too large;

2. Spray surface paint before prime paint dry;

3. Spray surface paint too thick;

4. Old prime aging, pulverization and crackle.

How to use:

1. Ensure prime and surface paint can be matched, add middle paint if necessary;

2. Clean the aged prime and re-spray surface paint.