Item name: Cellulose Acetate Butyrate
Other names: CAB resin, Fiber Butylacetate, Cellulose butyl acetate or Fiber AcetateCAS RN.: 9004-36-8
EC No.: 618-381-2
Other CAB resin Codes: CAB-381-0.1, CAB-381-0.5, CAB-381-2, CAB-551-0.01, CAB-551-0.2, CAB-531-1 and other codes
Equivalent Code: Eastman cellulose acetate butyrate CAB
CAB 381-20 Properties in TDS (If need other CAB's TDS, please email us)
Property of CAB resin | Enterprise standard | Typical Value, Units |
Butyryl Content | 36%~40% | 37WT% |
Acetyl Content | 11%~15% | 13.5WT% |
Viscosity | 1.37~1.80 mPa.s/mm | 1.5 Poise |
Ahydroxyl Content | 0.00~3.00% | 1.8% |
Color | <=100unit | 69 |
Acidity as Acetic Acid | 0.00~300 mg/kg | 58 |
Ash Content | <=3% | <0.05% |
Melting point | Measured Value | 195-205ºC |
Molecular Weight Mn | Measured Value | 70000 |
Haze | <=100NTU | 92 |
Remark: 1. Color and haze measurement solution: 20% CAB, 80% Ethyl-acetate or a-cetone (see the picture below).
2. Color was measured using the Pt-Co colorimetric scale, and haze was measured using a turbidometer.

Remark: CAB resin after dissolution (20% CAB, 80% Ethyl-acetate)
Left: Eastman® CAB-381-0.5
Right: iSuoChem® CAB-381-0.5
CAB 381-20 can be widely used in various paints, inks and cosmetics.
1. Coatings/Paints/Lacquers: Automotive OEM paint, Truck OEM paint, Bus OEM paint, Commercial vehicle orginal coatings, Original motorcycle coatings, Automotive plastic coatings, Can Lacquers and Other plastic coatings.
2. Inks
2. Nail Polish and other nail care products
