Question

Which of the following is not a characteristic of rubber?

(a) Non-crystalline

(b) Electrical conductivity

(c) Chemical resistance

(d) Low softening temperature

This question was posed to me in an interview for internship.

This interesting question is from Structure and Properties of Elastomers topic in chapter Glass & Elastomers of Engineering Material & Metallurgy

Answer 1

The correct option is (b) Electrical conductivity

Best explanation: Elastomers are hydrocarbon polymeric materials that are non-crystalline in nature. These materials possess high chemical and corrosion resistance, and a relatively low softening temperature. However, they are poor conductors of heat, which in effect make them non-conductors of electricity.