Acrylonitrile-butadiene-styrene (ABS) copolymer, which is produced by blending styreneacrylonitrile copolymer with butadiene based elastomer, is a/an__________________?
Correct answer: B. Engineering plastic
- A. Rigid foam
- B. Engineering plastic
- C. Thermosetting polymer
- D. Spongy rubberEngineering & Technology
Explanation
ABS is classified as an engineering plastic because its styrene-acrylonitrile matrix combined with rubber gives good impact strength, rigidity and mouldability. It is not a thermosetting polymer, since it can be softened and remoulded on heating.
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