Question

why is the surface tension of paints and lubricating oils kept low?​

Answer 1

Answer:

Here's your answer mate

Explanation:

Surface tension of oil and paint kept low,so that they can be spread over a large surface area. due to this reason,surface tension kept as low for large spreading. Answer: ... The surface tension of the lubricating oils and paints is kept low because it can spread over large area easily and faster.

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Answer 2

Answer:

The surface tension of paint has to be reduced by using additives in order to improve the appearance of the coating film and to avoid defects on the surface. Furthermore, possible surface and spreading defects while drying (for example floating, pinholes, scratches) can be stemmed through the surface tension of paint.

Explanation:

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