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,
High Viscosity & Polishing Adaptability - Suitable for automotive clear coat and polishing systems, meeting high - viscosity application requirements and improving polishing efficiency and effect
Drying Acceleration & Sagging Prevention - Accelerate solvent volatilization to shorten touch - dry time, improve leveling and effectively prevent paint film sagging
Broad Compatibility & Stability - Miscible with acrylic, amino and other resins, improving system stability and inhibiting intercoat bleeding and lifting
Orientation & Metallic Effect Enhancement - Promote aluminum powder orientation, enhance metallic paint flash effect and improve coating decorative texture and grade
Automotive Clear Coat Systems - Improve polishing performance and gloss, optimize leveling and drying speed, suitable for OEM paint and refinish paint
Automotive Polishing Additives - Optimize polishing effect, shorten polishing cycle and improve the mirror texture and smoothness of paint film
High - end Metallic Coatings - Promote aluminum powder orientation, enhance flash effect and improve coating decoration and visual impact
High - end Plastic Coatings - Enhance coating wear resistance and color stability, and improve product appearance texture and durability
| Product Model | CAB-381-2BP |
| Brand | Eastman |
| Chemical Name | Cellulose Acetate Butyrate (CAB) |
| Appearance | White free-flowing powder |
| Butyryl Content | 35.5% (by weight) |
| Acetyl Content | 14.5% (by weight) |
| Hydroxyl Content | 1.8% |
| Viscosity | 2.2 sec / 8.4 poise |
| Color | 125 ppm |
| Haze | 35 ppm |
| Refractive Index | 1.475 |
| Heat Resistance Test(@160°C, 8 hours) | Tanning melt |
| Melting Point | 175–185°C (340–363°F) |
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