Eastman™ Cellulose Acetate (CA-398-30)

Application/Uses

- Pressure sensitive tape
- Sealants

Product Description

Eastman™ Cellulose Acetate CA-398-30 is a high-viscosity, high molecular weight cellulose acetate supplied as fine, dry, free-flowing powder. The powder is free from coarse particles and excessive fines. Its relatively uniform particle size permits good plasticizer distribution during blending. Cellulose acetate CA-398-30 offers good physical properties for molded and extruded articles. It may be compounded into plastic using extrusion equipment or heated rolls.

Typical Properties

Property	Typical Value, Units
Acetyl Content	39.8%
Combined Acetic Acid Content	55.5%
Hydroxyl Content	3.5 wt %
Acidityas Acetic Acid	0.2 wt % max.
Viscosity *a	114 poise
Moisture Content	3 wt %
Ash Content	<0.05%
Specific Gravity(wt/vol)	1.31 kg/L (10.9 lb/gal)
Bulk Density Tapped Poured	432 kg/m3(27 lb/ft3) 320 kg/m3(20 lb/ft3)
Melting Point	230-250°C
Glass Transition Temperature (Tg)	189°C
Tukon Hardness	26 Knoops
Haze *b	40 ppm
Color *b	290 ppm
Heat Test Color	4 max.
Plastic Test Color	12.5
Refractive Index	1.475
Dielectric Strength	669 kv/cm (1.7 kv/mil)

*a Viscosity determined by ASTM Method D 1343. Results converted to poises (ASTM Method D 1343) using the solution density for Formula A as stated in ASTM Method D 817 (20% Cellulose ester, 72% acetone, 8% ethyl alcohol).
*b Determination of color and haze is made on CAB solutions using Pt-Co standards for color and a monodisperse latex suspension for haze. Analysis is performed with a Gardner Model XL-835 colorimeter.

Comments

Properties reported here are typical of average lots. Eastman makes no representation that the material in any particular shipment will conform exactly to the values given.

Eastman and its marketing affiliates shall not be responsible for the use of this information, or of any product, method, or apparatus mentioned, and you must make your own determination of its suitability and completeness for your own use, for the protection of the environment, and for the health and safety of your employees and purchasers of your products. No warranty is made of the merchantability of fitness of any product, and nothing herein waives any of the Seller's conditions of sale.