Textile Engineering > GATE 2026 > Fibre Manufacturing - Wet Spinning
Polyacrylonitrile (PAN) polymer was dissolved in dimethylformamide (DMF) at a concentration of 16 % (w/w) and extruded into a filament of 100 µm diameter. The filament was allowed to coagulate and dry while keeping its length constant. Assuming the specific gravities of both PAN and DMF as 1, the diameter of the final dried filament would be ________________ µm. (answer in integer)
Correct : 40
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