Difference between Melt, Dry and Wet spinning

The difference between melt spinning, dry spinning and wet spinning is given below:

Parameter
Melt spinning
Dry spinning
Wet spinning
1. Investment cost
Low
High
Low
2. Hazard
Non-toxic
Toxic
Toxic
3. Heat of spg
High
Very high
Low
4. Spinneret holes
2000
300-900
20000-75000
5. Spg speed
2500-3000ft/min
2500-3000ft/min
150-300ft/min
6. Productivity
High
High
Low
7. Solvent
Not required
Only volatile organic solvent
Beth organic & inorganic solvent can be use
8. Example
Polyester, Nylon-6
Cellulose, Acetate. PAN
Viscose rayon

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