What is the percentage value of elongation at break for polystyrene?
A. 1-3%
B. 100-300%
C. 20-130 %
D. 200-240%
Answer:A
What is the percentage value of elongation at break for polystyrene?
A. 1-3% B. 100-300% C. 20-130 % D. 200-240%