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

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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