CA filter tow for cigarette filters

Important steps in the process of the transformation of cellulose acetate flakes into Filter Tow and then into filters are explained: dissolving of cellulose acetate in acetone, extrusion of spin dope through spinnerets, crimping of tow band, drying and baling, rod making. Quality parameters of Filter Tow and filters are summarized as well as. The effect of selective filtration of cellulose acetate cigarette filters.