Technician A says that when a coating is sprayed on too thickly, solvent popping can occur. Technician B says that according to recent studies, painters seldom exceed film thickness recommendations. Who is correct?

Question

Quizplus · Accepted Answer

Technician A is correct that coating sprayed too thickly can cause solvent popping, which happens when solvents trapped in the coating evaporate too quickly, creating bubbles or pinholes. Technician B's statement is not always true - although it may be the case in some instances, there are still many painters who exceed film thickness recommendations, either intentionally or unintentionally.

Technician a Says That When a Coating Is Sprayed on Too