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Which organic coating is made from Lac dissolved in alcohol?

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in Engineering Material & Metallurgy by (773k points)
Which organic coating is made from Lac dissolved in alcohol?

(a) Lacquer

(b) Shellac

(c) Emulsion

(d) Enamel

I have been asked this question during a job interview.

The query is from Protective Coatings in section Composite & Ceramic Materials of Engineering Material & Metallurgy

1 Answer

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Best answer
Right answer is (b) Shellac

The explanation: Shellac is an organic protective coating which is made from the dissolved Lac in alcohol. It usually dries by evaporation of the solvent and leaves an organic finish. Lacquers contain nitrocellulose dissolved in the solvent.

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