HB Body S.A.

Troubleshooting

Solvent popping

Origin

Insufficient drying time of the primer.
Air entrapment during application which then it tries to escape leaving pinholes as the viscosity of the material becomes lower.
Incorrect choice of hardeners and thinners in relation to the temperature of application.
High film build.
Wrong spraying technique.

Avoidance

Make sure the film thickness of the products is according to manufacturers specifications.
Check the temperature and use proper hardeners and thinners.
Always follow the specifications according to the manufacturer.

How to fix the problem

Sand down and repaint.