Eastman CA-398-3 is a low-viscosity free-flowing powdered film-forming resin in the cellulose acetate series, tailored for industrial scenarios such as coatings, inks and food-contact packaging. As an odorless white powder with 100% pure cellulose acetate composition, it has low viscosity for easy dissolution, forms transparent and tough films, resists UV rays
Low Viscosity & Easy Solubility Adaptation - ASTM viscosity 3 seconds, easily soluble in acetone and other solvents, quickly forming transparent solutions, suitable for low-viscosity and high-solid formulations
Tough Film-Forming & Weather Resistance - High-strength and scratch-resistant film-forming, UV-resistant and not easy to discolor, heat and oil resistant and chemical resistant, ensuring long-term use
Bio-based & Eco-friendly Compliance - Bio-based content about 55%, meeting FDA food-contact standards, suitable for scenarios with environmental and safety requirements
Free-flowing & Easy Processing - Dry powder form for easy dispersion and addition, convenient formulation, reducing dust pollution and improving production efficiency
Food-contact Packaging - Used in food-contact paper/cardboard coatings and packaging films, meeting FDA standards, ensuring the safety of contentsEastman
Glass & Plastic Coatings - As a varnish film-former, improving coating gloss and scratch resistance, suitable for substrates such as glass and plasticEastman
Printing Ink Film-Forming - Used in gravure and flexographic inks, improving adhesion, drying property and blocking resistance, suitable for food packaging inksEastman
Wire & Release Coatings - Improving wire surface lubrication and release property, increasing processing efficiency, ensuring long-term use performance of wires
| Chemical Name | Cellulose Acetate (CA) |
| CAS No. | 9004-35-7 |
| EC No. | 232-674-9 |
| Appearance | Odorless white free-flowing powder |
| Acetyl Content | 39.8 wt% |
| Hydroxyl Content | 3.5 wt% |
| Combined Acetic Acid Content | 55.5 wt% |
| Viscosity | ASTM 3 sec, 11.4 poise |
| Specific Gravity | 1.31-1.32 g/cm³ |
| Weight/Volume | 1.31 kg/L |
| Melting Point | 230-250°C |
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