Which of the following properties is improved when styrene and acrylo-nitrile are copolymerized together?
A. heat distortion temperature
B. impact strength
C. chemical resistance
D. all of the mentioned
Answer:D
Which of the following properties is improved when styrene and acrylo-nitrile are copolymerized together?
A. heat distortion temperature B. impact strength C. chemical resistance D. all of the mentioned