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Which of the below glue can be made plastic again by re-heating?

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in Basic Civil Engineering by (111k points)
Which of the below glue can be made plastic again by re-heating?

(a) Thermo-setting

(b) Rubber glue

(c) Animal protein glue

(d) Thermo-plastic

The question was posed to me during an online exam.

The doubt is from Adhesives topic in division Materials for Construction of Basic Civil Engineering

1 Answer

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Best answer
Correct choice is (d) Thermo-plastic

To explain: Glue from synthetic resins can be either thermo-setting or thermo-plastic.  The thermo-setting one is permanent in nature. Thermo-plastic glue can be reheated and made plastic again.

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