Bull. Spec. CORESTA Congress, Guangzhou 1988, p. 78, ST-2.
Cellulose acetate web, a high efficiency filter material
Hoechst Celanese Corp. Charlotte. NC, USA
Cellulose acetate web is a cigarette filter material comprised of short cut cellulose acetate staple and cellulose acetate fibrets (a highly fibrillated form of cellulose acetate). The web is produced in a wet lay, papermaking process where these...