product
product
Producer:
Eastman Eastman Cellulose Acetate Butyrate (CAB-381-20BP), 100% grade ester is a slight modification of the standard CAB-381-20 cellulose acetate butyrate and has a lower viscosity. The BP grade was designed primarily to meet the needs of European formulators. When CAB-381-20BP is dissolved in appropriate solvents a clear, colorless solution is produced.Eastman CAB-381-20BP is based on cellulose, one of the most abundant natural renewable resources, from trees harvested from sustainably managed forests. The calculated approximate bio-content value of 41% for Eastman CAB-381-20BP was determined by using six bio-based carbon atoms per anhyroglucose unit divided by the total number of carbons per anhyroglucose unit. Although the value reported is not specifically measured for bio-carbon, it can be estimated based on typical partition data.
Eastman CAB-381-20BP, 100% Cellulose Acetate Butyrate
Producer:
Eastman Eastman Cellulose Acetate Butyrate (CAB-381-20BP), 100% grade ester is a slight modification of the standard CAB-381-20 cellulose acetate butyrate and has a lower viscosity. The BP grade was designed primarily to meet the needs of European formulators. When CAB-381-20BP is dissolved in appropriate solvents a clear, colorless solution is produced.Eastman CAB-381-20BP is based on cellulose, one of the most abundant natural renewable resources, from trees harvested from sustainably managed forests. The calculated approximate bio-content value of 41% for Eastman CAB-381-20BP was determined by using six bio-based carbon atoms per anhyroglucose unit divided by the total number of carbons per anhyroglucose unit. Although the value reported is not specifically measured for bio-carbon, it can be estimated based on typical partition data.
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Applications
Recommended Applications
- Auto OEM
- Auto plastics
- Auto refinish
- Automotive
- Automotive parts & accessories
- Automotive protective coatings
- Commerical printing inks
- Consumer electronics
- Consumer housewares-NFC
- General industrial coatings
- Graphic arts
- Industrial electronics
- Industrial maintenance
- Metal coatings
- Non-medical housings & hardware for elec
- Paints & coatings
- Process additives
- Protective coatings
- Small appliances non-food contact
- Truck/bus/RV
- Wood coatings
Properties
Physical Form
Typical Properties
| Value | Units | Test Method / Conditions | |
| Acetyl Content | 15.5 | wt % | - |
| Acidity as Acetic Acid | max. 0.03 | wt % | - |
| Ash Content | 0.05 | % | - |
| Bulk Density Poured | 336 (21) | kg/m3 (lb/ft3) | - |
| Bulk Density Tapped | 432 (27) | kg/m3 (lb/ft3) | - |
| Butyryl Content | 35.5 | wt % | - |
| Dielectric Strength | 787-984 (2-2.5) | kv/cm (kv/mil) | - |
| Glass Transition Temperature (Tg) | 128.0 | °C | - |
| Heat Test at 160°C for 8 hr | Tan melt | - | - |
| Hydroxyl Content | 0.8 | % | - |
| Melting range | 185-195 | °C | - |
| Moisture Content | max. 3.0 | % | - |
| Refractive Index | 1.475 | - | - |
| Specific Gravity | 1.2 | - | - |
| Tukon Hardness | 18.0 | Knoops | - |
| Viscositya Poise | 20.8 | - | - |
| Viscositya s | 16.0 | - | - |
| Wt/Vol (Cast Film) | 1.2 (10.0) | kg/L (lb/gal) | - |
Packaging & Availability
Regional Availability
Documents (3)
Name
Type
Sustainability and biobased content of Eastman cellulose esters for formulated products
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