Eastman CAB-171-15NF is a pharmaceutical-grade high-quality powder resin of cellulose acetate butyrate series, custom-designed for pharmaceutical excipients and personal care fields. Manufactured under cGMP standards, it meets National Formulary (NF) requirements. With low butyryl content, it can be used as a semipermeable membrane for osmotic drug delivery
NF-Compliant - Meets NF standards, manufactured under cGMP, high pharmaceutical safety
Low Butyryl Content - Features low butyryl content, combining advantages of both acetyl and butyryl esters
Semipermeable & Controlled Release - Can be used as a semipermeable membrane for precise osmotic drug delivery
Taste Masking & Sustained Release - Suitable for sustained-release tableting, effectively masking drug odor and prolonging efficacy
Easy Powder Processing - Good fluidity in powder form, easy to disperse and prepare, convenient for processing
Drug Delivery Membrane - Used as a semipermeable membrane in osmotic pump drug delivery systems to regulate drug release rate
Sustained-Release Tableting Excipient - Used in sustained-release tablet preparation to improve tablet stability and efficacy duration
Drug Taste Masking Coating - Used for coating drug particles/tablets to mask bitter and other unpleasant odors, improving medication compliance
Pharmaceutical Coating Material - Used for surface coating of medical devices to enhance biocompatibility and use safety
| Brand | Eastman |
| Chemical Type | Cellulose Acetate Butyrate (CAB),mixed acetyl and butyryl ester |
| Physical Form | Powder |
| Core Characteristics | Low butyryl content,Semipermeable,Taste masking & sustained release |
| Butyryl Content | Approx. 15%(low level in the series) |
| Acetyl Content | Approx. 38-40% |
| Viscosity | 15 sec(5% acetone solution, 25℃) |
| Molecular Weight | Medium molecular weight |
| Pharmacopoeia Standard | Meets National Formulary (NF) requirements |
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