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

Eastman CAB-381-0.5 Cellulose Acetate Butyrate

Eastman CAB-381-0.5 is a low-viscosity modified resin in the cellulose acetate butyrate series, specially designed for coating systems with high solid content and low application viscosity. It has excellent compatibility with various resins, can efficiently improve paint film drying speed, leveling and polishability, inhibit intercoat bleeding and lifting, enhance aluminum powder orientation and metallic effect

Features Of Eastman CAB-381-0.5 Cellulose Acetate Butyrate

  1. Low Viscosity & High Solids Adaptability - Suitable for high solid content formulations, low application viscosity, easy to add and disperse, without affecting system stability

  2. Efficient Drying & Leveling - Accelerate solvent release to shorten touch-dry time, optimize leveling to reduce craters, improve paint film appearance uniformity

  3. Broad Compatibility & Stability - Miscible with acrylic, amino and other resins, inhibit intercoat bleeding and lifting, ensure batch stability of coatings

  4. Brightness & Wear Resistance Enhancement - Improve paint film polishability and gloss, enhance wear resistance and color stability, extend coating service life

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

  1. Automotive Clear Coat Systems - Improve drying and polishability, enhance paint film gloss and appearance, suitable for OEM and refinish coating processes

  2. Plastic Coating Field - Enhance wear resistance and color stability, improve toughness, suitable for coating of plastic casings in electronics, home appliances, etc

  3. Wood/Coil Coatings - Optimize leveling and drying, improve yellowing resistance and crack resistance, suitable for decorative coating of furniture, building materials, etc

  4. Printing Ink Applications - Improve leveling and adhesion, enhance color development, suitable for gravure, screen and other printing processes

Specifications Of Eastman CAB-381-0.5 Cellulose Acetate Butyrate

Product ModelCAB-381-0.5
BrandEastman
Chemical NameCellulose Acetate Butyrate (CAB)
AppearanceWhite free-flowing powder
Viscosity0.5 sec (1.9 poise)
Butyryl Content37 wt%
Acetyl Content13 wt%
Hydroxyl Content1.5 wt%
Color150 ppm
Haze35 ppm
Acidity (as acetic acid)0.03 wt%
Ash Content<0.05%
Refractive Index1.48
Heat Resistance Test (160°C for 8 hours)Tanning melt
Melting Point155–165°C


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