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

Eastman CAB CAB-381-0.5 Cellulose Acetate Butyrate

Eastman CAB-381-0.5 is a high-performance cellulose acetate butyrate resin from Eastman’s CAB series, offering excellent clarity, toughness, and processability for coatings, inks, and adhesives. It features low viscosity (0.5 dL/g), good solvent release, UV resistance, and compatibility with acrylics and nitrocellulose—ideal for automotive, packaging, and specialty film applications.
  • eastman cab cab 381 0.5 cellulose acetate butyrate_a02491a6
  • eastman cab cab 381 0.5 cellulose acetate butyrate_a02491a6

Features Of Eastman CAB CAB-381-0.5 Cellulose Acetate Butyrate

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

  2. Good compatibility with a broad range of resins, plasticizers, and solvents including ketones, esters, and aromatic hydrocarbons.

  3. Superior toughness, flexibility, and impact resistance compared to standard cellulose acetate.

  4. Low moisture absorption and improved dimensional stability under humid conditions.

  5. Easy processability via solvent casting, extrusion, or spray application.

Typical Applications Of Eastman CAB CAB-381-0.5 Cellulose Acetate Butyrate

  1. Automotive interior trim coatings for soft-touch and scratch-resistant finishes.

  2. Protective overcoats for flexible printed electronics and membrane switches.

  3. Clear topcoats for wood and plastic substrates in furniture and consumer electronics.

  4. Binders and film formers in specialty inks and screen-printing formulations.

  5. Base resin for transparent, impact-modified thermoplastic films used in packaging and laminates.

Specifications Of Eastman CAB CAB-381-0.5 Cellulose Acetate Butyrate

Chemical TypeCellulose acetate butyrate (CAB)
Product FormFree-flowing white to off-white granules
AppearanceWhite to light tan, free-flowing granular solid
Butyryl Content (wt%)~25–29%
Acetyl Content (wt%)~14–17%
Hydroxyl Content (wt%)~2.5–3.5%
Viscosity (10% w/w in 3:2 toluene/acetone)~0.5–0.6 dL/g
Typical Density (g/cm³)1.18–1.22


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