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

Eastman CAB CAB-381-20 Cellulose Acetate Butyrate

Eastman CAB-381-20 is a high-performance cellulose acetate butyrate (CAB) resin from Eastman’s CAB series, offering excellent clarity, toughness, and UV resistance. It provides superior flow, adhesion, and compatibility with acrylics, PVC, and nitrocellulose—ideal for coatings, inks, and specialty films requiring durability and gloss retention.
  • eastman cab cab 381 20 cellulose acetate butyrate_8fe65f5f
  • eastman cab cab 381 20 cellulose acetate butyrate_8fe65f5f

Features Of Eastman CAB CAB-381-20 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 pigments.

  3. Low moisture absorption compared to cellulose acetate, enhancing dimensional stability.

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

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

Typical Applications Of Eastman CAB CAB-381-20 Cellulose Acetate Butyrate

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

  2. Protective overcoats for flexible packaging films and laminates.

  3. Binders and film formers in industrial wood and metal coatings.

  4. Base resin for specialty inks, including gravure and flexographic printing inks.

  5. Components in medical device tubing and housings requiring biocompatibility support.

Specifications Of Eastman CAB CAB-381-20 Cellulose Acetate Butyrate

Chemical TypeCellulose acetate butyrate (CAB)
Product FormWhite to off-white granular solid
AppearanceFree-flowing granules
Primary ApplicationsCoatings, inks, films, and thermoplastic compounds
Key FeaturesLow Tg (~15–18 °C), high solubility in common organic solvents
BenefitsEnhanced flexibility, adhesion, and weatherability in end-use formulations
SolubilityReadily soluble in esters, ketones, chlorinated hydrocarbons, and aromatic hydrocarbons
Regulatory StatusCompliant with FDA 21 CFR §175.105 for indirect food contact applications


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