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Dry spinning: Dry spinning is used for polymers that need to be dissolved in a solvent. Solvent spinning (dry spinning and wet spinning) are used by 30% of the fibers. Spinning process: â¶ In dry spinning, a volatile solvent is used to dissolve the raw materials and form a salutation. â· Then the solution is purified by filter.
It is used for polymers that need to be dissolved in a solvent to be spun. The spinneret remains submerged in a chemical bath that leads the fiber to precipitate, and then solidify, as it emerges out of the spinneret holes. The name of the process i.e. wet spinning has got its name from this wet bath only.