Name: Eastman CA 320S Cellulose Acetate
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Eastman CA 320S Cellulose Acetate

High acetate content (≈39.5–40.5 wt%) for excellent solubility in common organic solvents including acetone, ethyl acetate, and methyl ethyl ketone.
Consistent molecular weight distribution ensuring predictable melt viscosity and film-forming performance.
Low residual solvent and volatile content, supporting compliance with stringent regulatory requirements for consumer-facing applications.
Excellent clarity and gloss retention in cast films and extruded sheets.
Good thermoformability and dimensional stability across a broad processing temperature range.

Typical Applications Of Eastman CA 320S Cellulose Acetate

Transparent packaging films for premium food, confectionery, and pharmaceutical blister packaging.
Base resins for cellulose acetate optical lenses and eyewear frames.
Coating binders for release liners and pressure-sensitive adhesive backing papers.
Electrospun nanofiber matrices for filtration and biomedical scaffolds.

Chemical Type	Cellulose acetate homopolymer
Product Form	Free-flowing white to off-white granules
Appearance	Opaque, uniform granular solid
Acetyl Content	39.8–40.2 wt%
Viscosity (1% w/v in acetone at 25°C)	26–30 cP
Moisture Content (ASTM D1644)	≤3.5 wt%
Residue on Ignition (Ash)	≤0.1 wt%
Primary Applications	Optical components, packaging films, coatings, fibers

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