Technical Data Sheet
Eastman™ Cellulose Acetate Butyrate CAB-381-20BP, 100%
Automotive parts & accessories
Automotive protective coatings
Commerical printing inks
General industrial coatings
Non-medical housings & hardware for elec
Paints & coatings
Small appliances non-food contact
Eastman Cellulose Acetate Butyrate (CAB-381-20BP), 100% grade ester is a slight modification of the standard CAB-381-20 cellulose acetate butyrate and has a lower viscosity. The BP grade was designed primarily to meet the needs of European formulators. When dissolved in appropriate solvents selected for CAB-381-20BP, a clear, colorless solution is produced.
Typical Value, Units
15.5 wt %
35.5 wt %
3.0 max %
Glass Transition Temperature (T
as Acetic Acid
0.03 wt % max.
787-984 kv/cm (2-2.5 kv/mil)
1.2 kg/L (10.0 lb/gal)
@ 160°C for 8 hr
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).
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.
7/2/2019 9:58:30 AM