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1. |
In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament form. Dry spinning is used for _______________ fibres? |
A. | Polythene |
B. | PVC |
C. | Rayon |
D. | Polyvinyl acetate |
Answer» C. Rayon | |