Inspect Finishes And Identify Defects Flashcards
1
Q
What is a cause of poor adhesion between the topcoat and the fill coats on a fabric surface?
A
Too much aluminum powder in the aluminum pigmented dope
2
Q
What is a cause of a rough finish on a freshly sprayed surface?
A
Too high atomizing air pressure on the spray gun
3
Q
What causes sags and runs on a surface that has just been sprayed?
A
Too much finishing material being applied in one coat
4
Q
What causes orange peel, or spray mottle, in a finish?
A
Incorrect paint viscosity or improper setting on the spray gun
5
Q
What causes pinholes in a finish?
A
Excessive atomizing air on the spray gun
6
Q
What causes blushing in a dope finish?
A
Too high humidity
7
Q
What causes fish eyes in the finish?
A
Localized surface contamination
