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DOT Code: 550.684-010

Industry: plastic-synth.

Prepares coagulating bath used to transform cellulose slurry into rayon filaments, according to formula or proportion chart and process specifications: Measures prescribed types and quantities of bath ingredients, depending on forming process used in plant. Dumps or pumps ingredients, such as caustic soda or sulfuric acid, sodium sulfate, zinc sulfate, and glucose into mixing tank for transfer to trough containing water into which slurry is extruded. Tests acidity or alkalinity of bath at specified intervals, using pH meter, and adds additional ingredients to maintain solution at prescribed standard. May be designated Acid-Correction Hand (plastic-synth.) in plants producing rayon by viscose process.

GOE: 06.04.11 STRENGTH: M GED: R3 M2 L2 SVP: 4 DLU: 77