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Technical Data Sheet
Eastman™ Cellulose Acetate Butyrate (CAB-321-0.1)


Applications
  • Ace machinery & equipment
  • Aerospace coatings
  • Architectural coatings
  • Auto OEM
  • Auto plastics
  • Auto refinish
  • Automotive
  • Automotive parts & accessories
  • Automotive protective coatings
  • Consumer electronics
  • Cosmetic ingredients - nails
  • Device housings
  • General industrial coatings
  • Graphic arts
  • Industrial maintenance
  • Inkjet printing inks
  • Metal coatings
  • Paints & coatings
  • Personal care ingredients
  • Process additives
  • Protective coatings
  • Truck/bus/RV
  • Wood coatings

Product Description
Eastman Cellulose Acetate Butyrate (CAB 321-0.1) is a cellulose ester with a low butyryl content (32.5%) and low molecular weight. It has a viscosity of 0.10 sec and 0.38 poise. Designed for use in automotive basecoats, it is resistant to attack and resistant to redisolve by solvents typical in clearcoats. It is supplied as a fine white powder. Eastman cellulose esters are based on up to sixty percent cellulose, one of the most abundant natural renewable resources.

Typical Properties

PropertyTypical Value, Units
General
Viscosityc0.38 poise
Butyryl Content32.5 wt %
Hydroxyl Content1.3 %
Melting Point165-175 °C
Glass Transition Temperature (Tg)127 °C
Tukon Hardnessa21 Knoops
Wt/Vol1.2 kg/L (10 lb/gal)
Molecular Weightb 
     Mn12000
Acetyl Content17.5 wt %

aASTM D 1474
bNumber-average molecular weight values, MW_n, are polystyrene-equivalent molecular weights determined using size exclusion chromatography.
cViscosity 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).



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.