Select the correct option with regard to the following statements (S1 and S2) pertaining to the two types of paints.
S1: In plastic paint, the thinner used is oil.
S2: Varnish is a homogeneous solution of resin in alcohol.
Statement 1:- Thinner 1s a liquid that 1s mixed in paint to make the paint thinner or of desired consistency so that it can be easily applied on the surface. Thinners commonly used are the following:
1. For oil paints: turpentine, white spirit, and naphtha.
2. For spirit lacquers: alcohol.
3. For cellulose paint: ethyl-amyl-acetate.
4. For distempers and plastic paints: water.
Statement 2:- Varnish is the solution of resin substances prepared either in alcohol, oil or turpentine. The type of solvent depends upon the type of resin used. The oil dries with time and the other solvents evaporate leaving behind a solid transparent resin film over the surface.
Water varnish is shellac (resin) dissolved in hot water to which enough quantity of ammonia, borax, soda or potash is added.