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Eastman™ CAB-381-2 is a cellulose ester with high butyryl content and high ASTM(A) viscosity.
Details
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Chemical Composition
Cellulose Acetate Butyrate
Technical data
| Quantity | Value | Unit | Comment |
|---|---|---|---|
| Appearance Properties | |||
| Refractive index | 1.475 | ||
| Physical Properties | |||
| Specific Gravity | 1.2 | ||
| Viscosity | 760 | cP | |
| Molecular weight | 40000 | g/mol | |
| Melting range | 171 - 184 | ºC | |
| Bulk density | 0.352 | g/ml | Poured |
| Bulk density | 0.465 | g/ml | Tapped |
| Molecular weight | 40000 | g/mol | |
| Thermal Properties | |||
| Glass transition Temperature | 133 | ºC | |
| Chemical Properties | |||
| Hydroxyl percentage | 1.3 | % | |
| Acidity in terms of acetic acid | <0.03 | wt% | |
| Electrical Properties | |||
| Dielectric Strength | 2 - 2.5 | Kv/mm | |
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