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

Eastman CAB CAB-531-1 Cellulose Acetate Butyrate

Eastman CAB-531-1 is a high-performance cellulose acetate butyrate resin from Eastman’s CAB series, offering excellent clarity, toughness, and solvent resistance. It provides superior adhesion to diverse substrates, low moisture absorption, and smooth film formation. Widely used in coatings, inks, adhesives, and specialty films for automotive, packaging, and consumer goods applications where durability and aesthetics are critical.
  • eastman cab cab 531 1 cellulose acetate butyrate_eff70d1a
  • eastman cab cab 531 1 cellulose acetate butyrate_eff70d1a

Features Of Eastman CAB CAB-531-1 Cellulose Acetate Butyrate

  1. Excellent compatibility with a broad range of resins, including acrylics, vinyls, and epoxies.

  2. Good film-forming ability with balanced toughness, flexibility, and clarity.

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

  4. Readily soluble in common organic solvents such as ethyl acetate, acetone, and toluene.

  5. Provides improved thermal stability and melt processability for extrusion and injection molding applications.

Typical Applications Of Eastman CAB CAB-531-1 Cellulose Acetate Butyrate

  1. Automotive interior trim components requiring high gloss and scratch resistance.

  2. Consumer electronics housings and decorative overlays demanding clarity and surface hardness.

  3. Industrial coatings for metal and plastic substrates where chemical resistance and adhesion are critical.

  4. Adhesives and overprint varnishes for flexible packaging films.

  5. 3D printing filament binders and support material formulations.

Specifications Of Eastman CAB CAB-531-1 Cellulose Acetate Butyrate

Chemical TypeCellulose acetate butyrate (CAB)
Product FormPellets or powder
AppearanceWhite to off-white granular solid
Primary ApplicationsCoatings, inks, adhesives, thermoplastic compounds
Key FeaturesGood solvent solubility, low moisture sensitivity, resin compatibility
BenefitsEnhanced film integrity, improved processing window, reduced warpage
Typical Butyryl Content~20–24 wt%
Typical Acetyl Content~8–12 wt%


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