Bleeding
How It Looks
Description of problem
The pigment of the old paint (or peroxide) is dissolved by the solvent of the new paint being applied and the color shows through.
Causes
- Using too much peroxide with the putty; Insufficient mixing of the hardener with the putty.
- Not isolating or removing sensitive colors and types of paint (such as red synthetic paint when applying a strong solvent on top of it).
- Not enough cleaning
- Ground coat contaminated by a product that has a tendency to exhibit this defect.
Preventive measures
- Use dispensing machine or weighing scale (2%) when mixing putty & hardener.
- Eventually the professional will know the right quantity to be used from the color of the mixture.
- Mix thoroughly the hardener and the putty.
- Make sure that the spray dust of a sensitive color does not fall on other vehicles.
- Clean material thoroughly.
- Make a trial by spraying a small area.
Remedy
It is sometimes necessary to remove all.
Sometimes this problem doesn’t occur until after a number of coats of old paint have been placed on top of each other. One must completely remove the old paint and the primer all the way to the bare metal. In the case of peroxide bleeding, you may sand, isolate with GenPox Isolating primer, prime and paint
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