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Which of the following is not a synthetic resin?

(a) Melamine resins

(b) Urea resins

(c) Animal protein glue

(d) Phenolic resins

The question was asked at a job interview.

The question is from Miscellaneous Materials topic in section Miscellaneous Materials, Plain and Reinforced Cement Concrete of Construction & Building Materials

1 Answer

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The correct answer is:

(c) Animal protein glue

Animal protein glue is a natural adhesive derived from animal sources, not a synthetic resin. The other options (melamine, urea, and phenolic resins) are all synthetic resins.

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