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

Eastman CAB-381-2BP Cellulose Acetate Butyrate

Eastman CAB-381-2BP is a high-viscosity modified resin in the cellulose acetate butyrate series, custom - made for automotive clear coat and polishing systems. It has strong compatibility with various resins, can accelerate solvent release to shorten drying time, optimize paint film leveling and polishing performance,

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

  1. High Viscosity & Polishing Adaptability - Suitable for automotive clear coat and polishing systems, meeting high - viscosity application requirements and improving polishing efficiency and effect

  2. Drying Acceleration & Sagging Prevention - Accelerate solvent volatilization to shorten touch - dry time, improve leveling and effectively prevent paint film sagging

  3. Broad Compatibility & Stability - Miscible with acrylic, amino and other resins, improving system stability and inhibiting intercoat bleeding and lifting

  4. Orientation & Metallic Effect Enhancement - Promote aluminum powder orientation, enhance metallic paint flash effect and improve coating decorative texture and grade

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

  1. Automotive Clear Coat Systems - Improve polishing performance and gloss, optimize leveling and drying speed, suitable for OEM paint and refinish paint

  2. Automotive Polishing Additives - Optimize polishing effect, shorten polishing cycle and improve the mirror texture and smoothness of paint film

  3. High - end Metallic Coatings - Promote aluminum powder orientation, enhance flash effect and improve coating decoration and visual impact

  4. High - end Plastic Coatings - Enhance coating wear resistance and color stability, and improve product appearance texture and durability

Specifications Of Eastman CAB-381-2BP Cellulose Acetate Butyrate

Product ModelCAB-381-2BP
BrandEastman
Chemical NameCellulose Acetate Butyrate (CAB)
AppearanceWhite free-flowing powder
Butyryl Content35.5% (by weight)
Acetyl Content14.5% (by weight)
Hydroxyl Content1.8%
Viscosity2.2 sec / 8.4 poise
Color125 ppm
Haze35 ppm
Refractive Index1.475
Heat Resistance Test(@160°C, 8 hours)Tanning melt
Melting Point175–185°C (340–363°F)


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