Causes and solutions of dull surface after paint spraying
(1) Analysis of the cause making the surface dull after car paint spraying
A. Incorrect paint viscosity, spraying method, drying time or spray booth temperature
B. Spray gun nozzle (caliber) and spray pressure is incorrect
C. Inappropriate thinner
(2) Prevention methods
A. Accurately adjust the spraying viscosity using the viscosity cup and paint mixing ruler
B. Keep the spray gun parallel to the sprayed surface when spraying
C. Select the appropriate spray gun and nozzle (caliber)
D. Use the thinner recommended by the automotive paint manufacturer
E. According to the construction method suggestion provided by the manufacturer
(3) Remedial measures
A. Sand and repaint after the varnish dries
B. Spray the primer before color paint or varnish
