_______________ is a non volatile film forming constituent of a paint ?
Correct answer: C. Drying oil
- A. Thinner
- B. Dryer
- C. Drying oil
- D. None of these
Explanation
Drying oil is the nonvolatile, film-forming part of paint that oxidizes and hardens to form the continuous coating. Thinner reduces viscosity, while a dryer accelerates the hardening reaction.
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