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
Low Viscosity & High Solids Adaptability - Suitable for high solid content formulations, low application viscosity, easy to add and disperse, without affecting system stability
Efficient Drying & Leveling - Accelerate solvent release to shorten touch-dry time, optimize leveling to reduce craters, improve paint film appearance uniformity
Broad Compatibility & Stability - Miscible with acrylic, amino and other resins, inhibit intercoat bleeding and lifting, ensure batch stability of coatings
Brightness & Wear Resistance Enhancement - Improve paint film polishability and gloss, enhance wear resistance and color stability, extend coating service life
Automotive Clear Coat Systems - Improve drying and polishability, enhance paint film gloss and appearance, suitable for OEM and refinish coating processes
Plastic Coating Field - Enhance wear resistance and color stability, improve toughness, suitable for coating of plastic casings in electronics, home appliances, etc
Wood/Coil Coatings - Optimize leveling and drying, improve yellowing resistance and crack resistance, suitable for decorative coating of furniture, building materials, etc
Printing Ink Applications - Improve leveling and adhesion, enhance color development, suitable for gravure, screen and other printing processes
| Product Model | CAB-381-0.5 |
| Brand | Eastman |
| Chemical Name | Cellulose Acetate Butyrate (CAB) |
| Appearance | White free-flowing powder |
| Viscosity | 0.5 sec (1.9 poise) |
| Butyryl Content | 37 wt% |
| Acetyl Content | 13 wt% |
| Hydroxyl Content | 1.5 wt% |
| Color | 150 ppm |
| Haze | 35 ppm |
| Acidity (as acetic acid) | 0.03 wt% |
| Ash Content | <0.05% |
| Refractive Index | 1.48 |
| Heat Resistance Test (160°C for 8 hours) | Tanning melt |
| Melting Point | 155–165°C |
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