<i>EASTMAN</i> CA-398-3 Cellulose acetate Eastman Chemical Company Cellulosic Resins Coatings Other industry >> Glass Coating Other industry >> Paper coatings Eastman Cellulose Acetate (CA-398-3) is one of the lower viscosity solution grades of cellulose acetate. The average ASTM viscosity of CA-398-3 is 3 seconds. EASTMAN Cellulose Acetate (CA-398-3) is supplied in the form of a fine, dry, free-flowing powder. It may be blended with appropriate solvents, plasticizers, and other modifying resins to formulate coatings for paper, glass, plastic, wire screen, and electrical wiring. Food additive regulations issued by the Food and Drug Administration (FDA) permit use of cellulose acetate in specific food packaging applications. Cellulose acetate is also prior sanctioned for use in film in food-contact applications. CA is also recognized by the FDA as generally recognized as safe (GRAS) for use in paper and paperboard in contact with food. It is used in glass coatings, paper/paperboard coatings, electrical, food packaging, food-contact applications, pressure sensitive tape and wood sealers. Cellulose Acetate. Used in coatings for paper, glass, plastic, wire screen, and electrical wiring.