Q: What is different about the paint jobs on new cars? It looks distinctively different than that on all older cars — like a hard shell coating.
L.F., Park Ridge, Illinois
A: I have noticed the same phenomenon but haven’t given it much thought. After all, I’m a nuts-and-bolts guy. So I turned to PPG for help. “A traditional automotive paint process begins with the application of pretreatment and electrocoat followed by a primer layer. After the primer layer is cured, a topcoat layer of basecoat and clearcoat is applied and cured.…
