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1. |
Acrylonitrile-butadiene-styrene (ABS) copolymer, which is produced by blending styrene-acrylonitfile copolymer with butadiene based elastomer, is a/an%! |
A. | Rigid foam |
B. | Engineering plastic |
C. | Thermosetting polymer |
D. | Spongy rubber |
Answer» C. Thermosetting polymer | |