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Which of the below is most commonly used resin in commercial varnishes?(a) Alkyd(b) Phenolic(c) Polyurethane(d) Satin GlossThe question was posed to me in unit test.My question is based upon Varnish topic in division Materials for Construction of Basic Civil Engineering

Answer» CORRECT choice is (a) Alkyd

For explanation: Alkyd resin is LESS expensive.It is a TYPE of POLYESTER resin and its combined with alcohol and acid.It is cooked with oil to create varnish.


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