It is important to select coating materials that are reasonably close to the ____ of the substrate to be coated.
A) density
B) thermal expansion
C) molecular weight
D) texture

Question

Quizplus · Accepted Answer

Coating materials should have a thermal expansion coefficient similar to that of the substrate to ensure good adhesion and to prevent cracking or delamination due to temperature changes.

It Is Important to Select Coating Materials That Are Reasonably