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

Eastman CAB 551-0.2 Cellulose Acetate Butyrate

Eastman CAB 551-0.2 is a high-purity cellulose acetate butyrate resin from Eastman’s CAB series, offering excellent clarity, toughness, and solvent resistance. It features low viscosity (0.2 dL/g in THF), fast drying, and superior adhesion to diverse substrates—ideal for coatings, inks, and specialty films.
  • eastman cab 551 0.2 cellulose acetate butyrate_832a35c8
  • eastman cab 551 0.2 cellulose acetate butyrate_832a35c8

Features Of Eastman CAB 551-0.2 Cellulose Acetate Butyrate

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

  2. Low solution viscosity at high solids content, enabling efficient coating formulation and improved application rheology.

  3. Outstanding UV stability and resistance to yellowing, making it ideal for outdoor and long-term durability applications.

  4. Good flexibility and impact resistance without requiring high levels of external plasticizers.

  5. Low moisture absorption compared to standard cellulose acetate, enhancing dimensional stability in humid environments.

Typical Applications Of Eastman CAB 551-0.2 Cellulose Acetate Butyrate

  1. Automotive clearcoats and basecoats for enhanced gloss, chip resistance, and weatherability.

  2. Industrial maintenance coatings for metal and wood substrates requiring rapid drying and chemical resistance.

  3. Overprint varnishes and flexible packaging coatings where clarity, rub resistance, and solvent release are critical.

  4. Tool handle and sporting goods coatings demanding toughness, grip enhancement, and aesthetic finish.

  5. 3D printing support materials and specialty ink binders for high-resolution, low-shrinkage formulations.

Specifications Of Eastman CAB 551-0.2 Cellulose Acetate Butyrate

Chemical TypeCellulose acetate butyrate (CAB)
Product FormPowder
AppearanceFree-flowing white to off-white granular or flaked powder
Butyryl Content (wt%)~24–26%
Acetyl Content (wt%)~8–10%
Hydroxyl Content (wt%)~2.5–3.5%
Solution Viscosity (20% in Toluene/MEK 50/50, 25°C)~0.2 dL/g
Moisture Content (max)1.5 wt%


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