Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Eastman CAB-321-0.1 Cellulose Acetate Butyrate

Eastman CAB-321-0.1 Cellulose Acetate Butyrate is a high-purity, low-viscosity thermoplastic resin from Eastman’s CAB series. It offers excellent clarity, toughness, and UV resistance with good solvent compatibility. Widely used in coatings, inks, adhesives, and specialty films where fast drying and substrate adhesion are critical. Its balanced acetate/butyrate ratio ensures superior processability and film-forming performance.
  • eastman cab 321 0.1 cellulose acetate butyrate_7883165c
  • eastman cab 321 0.1 cellulose acetate butyrate_7883165c

Features Of Eastman CAB-321-0.1 Cellulose Acetate Butyrate

  1. Excellent clarity and gloss retention in transparent coatings and films.

  2. Good solubility in common organic solvents including ketones, esters, and aromatic hydrocarbons.

  3. Enhanced toughness and impact resistance compared to standard cellulose acetate.

  4. Low moisture absorption, contributing to dimensional stability in humid environments.

  5. Compatible with a broad range of resins, plasticizers, and pigments for formulation flexibility.

Typical Applications Of Eastman CAB-321-0.1 Cellulose Acetate Butyrate

  1. Automotive interior trim coatings requiring durability and scratch resistance.

  2. Transparent protective overcoats for wood and metal substrates.

  3. Flexible packaging films where clarity and heat-seal compatibility are critical.

  4. Industrial coil coatings for pre-painted metal applications.

  5. Specialty inks for flexible and rigid printing substrates.

Specifications Of Eastman CAB-321-0.1 Cellulose Acetate Butyrate

Chemical TypeCellulose acetate butyrate (CAB)
Product FormFree-flowing white to off-white granules
AppearanceWhite to light tan, odorless granular solid
Primary ApplicationsCoatings, inks, films, and specialty adhesives
Key FeaturesHigh clarity, low moisture sensitivity, solvent solubility, resin compatibility
BenefitsImproved film toughness, gloss retention, substrate adhesion, and processability
Typical Viscosity (4% in 75/25 toluene/ethanol)~0.1 dL/g
Butyryl ContentApproximately 22–25 wt%


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