What can cause paint to develop an "orange peel" texture in an auto body finish?

• A. Using only high-quality paint
• B. Improper spray technique or inadequate thinning of paint
• C. Applying paint in dry conditions
• D. Using brushes instead of spray guns

Answer: (B)

An "orange peel" texture in an auto body finish is primarily caused by improper spray technique or inadequate thinning of paint. This texture resembles the skin of an orange, characterized by small, uneven, and bumpy surfaces. When paint is not thinned appropriately, it can lead to uneven atomization when sprayed. Similarly, if the spray technique is incorrect—such as holding the spray gun too far from the surface or moving it too quickly—this can prevent the paint from laying down smoothly, resulting in that undesirable texture.

In terms of thinning the paint, if the viscosity is too high due to inadequate thinning, it doesn’t flow properly when sprayed. As a result, the paint can dry too quickly before it properly settles on the surface, leading to that bumpy appearance. Thus, mastering correct spray techniques and proper paint preparation are essential to avoid this issue in auto body finishes.