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Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m2. Which of the following polymers has the maximum film elongation (of the order of 100%) ? | |
A. | Water impermeable cellophane [Wrong Answer] |
B. | Polythene [Correct Answer] |
C. | Cellulose acetate [Wrong Answer] |
D. | Teflon [Wrong Answer] |