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nature : also known as acetyl cellulose-based film. From the flammability is not Cellulose Acetate production of the second generation of film-based products. Cellulose Acetate and dichloromethane dissolved by mixing, filtering, deaeration concentrated solution in Tape Machine upper extension film, drying, surface coating (eg Antihalation Layer, the antistatic layer, curly-layer, etc.) made. By cellulose ester value of the vinegar is divided vinegar value of 54.5% to 56% of two of Cellulose Acetate (DAC) and the value of vinegar for 60% ~ 61.2% in the three Cellulose Acetate (TAC) - Two films. Two of Cellulose Acetate Tablets-poor mechanical properties, hygroscopicity, had only used in the manufacture of the narrow 16mm film positives has been eliminated; Three Cellulose Acetate Tablets base with good mechanical properties, such as small hygroscopicity many advantages, has been widely used in movies, photographs of film. Photographic film production is the main unit-based materials.
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