Eastman CAB-553-0.4 is a high - hydroxyl cross - linkable modified resin in the cellulose acetate butyrate series, specially customized for high - performance coating systems such as printing inks, wood, paper and plastic. With high hydroxyl content, it can cross - link with amino, isocyanate and other resins, has excellent alcohol solubility and compatibility, can accelerate solvent release to shorten drying time
High Hydroxyl & Cross - linking Capability - High hydroxyl content can cross - link with various resins, improve coating cross - linking density and chemical stability, and extend service life
Alcohol Solubility & Wide Adaptability - Easily soluble in low - molecular - weight alcohols such as methanol and ethanol and common organic solvents, suitable for alcohol - soluble systems and broaden formula options
Efficient Drying Acceleration & Orientation - Accelerate solvent volatilization to shorten touch - dry time, promote aluminum powder orientation, enhance metallic paint flash effect and improve decoration
Flexibility & Long - lasting Weather Resistance - Endow the paint film with good flexibility, yellowing resistance and cold crack resistance, excellent UV stability
Printing Inks - Suitable for alcohol - soluble printing inks, improve leveling and drying performance, enhance adhesion and oil resistance, and ensure the quality of printed matterproductcatalog.eastman.com
High - grade Wood Coatings - Improve leveling and drying performance, enhance yellowing resistance and crack resistance, increase coating wear resistance and color stability, suitable for high - grade furniture coating
Plastic Decorative Coatings - Enhance flexibility and cold crack resistance, suitable for coating plastic casings of electronics, home appliances, etc., and improve coating texture and durability
Paper Coating - Improve the surface properties of paper, enhance oil and stain resistance, suitable for scenarios with high performance requirements such as food packaging paper
| Chemical Name | Cellulose Acetate Butyrate (CAB) |
| Appearance | White free-flowing powder |
| Viscosity | 0.30 sec / 1.14 poise |
| Acetyl Content | 2.0% |
| Butyryl Content | 46.0% |
| Hydroxyl Content | 4.8% |
| Melting Range | 150-160°C |
| Glass Transition Temperature (Tg) | 136°C |
| Tukon Hardness (Knoop) | 18 |
| Weight/Volume Ratio | 10.00 lb/gal (1.2 kg/L) |
| Molecular Weight (Average) | 20,000 |
| Density | 1.2 g/cm³ |
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