Q. What is the formation of bubbles below the paint surface is known as?

A
Cracking
B
Shrinkage
C
Warping
D
Blistering
Solution:
  • The formation of bubbles below the surface of paint is known as blistering.
  • It occurs when water vapour grt trapped under the paint layer.
  • Aluminium oxide powder is used to prevent the cracking, wasping and shrinkage of the paint surface.
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