Acetate fiber is a synthetic fiber, in which the forming substance is cellulose acetate. When no less than 92 % of the hydroxyl groups are acetylated, the term triacetate may be used as a generic description for the fiber.
The cellulose is dissolved in a dope solution, which consists of dissolved cellulose in acetone. Vaisala K-PATENTS® Process Refractometer PR-43-GP is used in the dissolving tank to monitor the concentration of the dope solution prior to the spinning of the fibers.
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