Name: Eastman CAB CAB-381-2 Cellulose Acetate Butyrate
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Eastman CAB CAB-381-2 Cellulose Acetate Butyrate

Excellent compatibility with a broad range of resins, plasticizers, and pigments—including acrylics, vinyls, epoxies, and nitrocellulose.
Low moisture absorption and superior dimensional stability under varying humidity conditions.
Good film-forming capability with high clarity, gloss, and toughness in solvent-based coatings.
Enhanced flexibility and impact resistance without requiring high levels of external plasticizer.
Regulatory compliance suitable for non-food-contact industrial applications per FDA 21 CFR §175.300 and EU Plastics Regulation (EU) No 10/2011 (subject to formulation).

Typical Applications Of Eastman CAB CAB-381-2 Cellulose Acetate Butyrate

Automotive refinish clearcoats and basecoat additives for improved flow, leveling, and mar resistance.
Industrial maintenance coatings for metal and wood substrates requiring durability and weatherability.
Ink vehicles for gravure and flexographic printing inks—especially where fast drying and substrate adhesion are critical.
Adhesive modifiers in pressure-sensitive and laminating adhesives to enhance tack retention and shear strength.
Coating binders for optical films, temporary protective films, and release liners.

Chemical Type	Cellulose acetate butyrate (CAB)
Product Form	White to off-white free-flowing granules
Appearance	Free-flowing granular solid
Butyryl Content (wt%)	Approx. 24–26%
Acetyl Content (wt%)	Approx. 16–18%
Hydroxyl Content (wt%)	Approx. 2.5–3.5%
Solution Viscosity (20% in Toluene/Ethanol 50/50 w/w, 25°C)	3.8–4.2 cP
Primary Applications	Coatings, inks, adhesives, and film-forming systems

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