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

Eastman CAB 381-0.5 Cellulose Acetate Butyrate

Eastman CAB 381-0.5 is a cellulose acetate butyrate resin from Eastman’s CAB series—offering excellent clarity, toughness, and solvent resistance. It features low viscosity, good flow, and compatibility with diverse polymers and plasticizers. Widely used in coatings, inks, adhesives, and automotive trim for superior gloss and durability.
  • eastman cab 381 0.5 cellulose acetate butyrate_d475cdb1
  • eastman cab 381 0.5 cellulose acetate butyrate_d475cdb1

Features Of Eastman CAB 381-0.5 Cellulose Acetate Butyrate

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

  2. Good compatibility with a wide range of resins, plasticizers, and pigments.

  3. Superior toughness, flexibility, and impact resistance at low temperatures.

  4. Low moisture absorption compared to standard cellulose acetate grades.

  5. Easy processability via solvent-based coating, extrusion, and injection molding.

Typical Applications Of Eastman CAB 381-0.5 Cellulose Acetate Butyrate

  1. Automotive interior trim coatings and soft-touch overmolds.

  2. Transparent protective topcoats for wood, metal, and plastic substrates.

  3. Flexible packaging films requiring clarity, sealability, and barrier enhancement.

  4. Industrial coil coatings for architectural and appliance applications.

  5. Specialty inks for flexible packaging and decorative printing.

Specifications Of Eastman CAB 381-0.5 Cellulose Acetate Butyrate

Chemical TypeCellulose acetate butyrate (CAB)
Product FormPellets or flakes
AppearanceWhite to off-white free-flowing solid
Butyryl Content (wt%)~24–26%
Acetyl Content (wt%)~15–17%
Hydroxyl Content (wt%)~2.5–3.5%
Typical Solution Viscosity (4% in Toluene/Ethanol 9:1)~0.4–0.6 dL/g
Primary ApplicationsCoatings, films, inks, and thermoplastic compounds


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