Math, asked by devkadiyan3, 9 months ago

why a POP (plaster of paris) coating is applied on a wall before painting the walls​

Answers

Answered by MysteriousAryan
3

Answer:

It gives a firm surface on which the colours can settle. It has no appreciable chemical action on paint and does not cause alkali attack. Plaster of Paris gives a decorative interior finish. Its gypsum content provides it a lot of shine and smoothness.

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