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CAB-381-2 BP
CAB-381-2 BP is medium molecular weight cellulose acetate butryate (CAB) with moderate butyrate content. It is used as a film-former, resin modifier, and additive in solvent-based coatings.
CAB-381-2 BP is designed to provide a lower solution viscosity than standard CAB-381-2. This allows for lower viscosity while still keeping solids content relatively high. CAB-381-2 BP is compatible with most common solvents, plasticizers and resins and as such is a useful tool for formulators looking to make high performance coatings. Coatings that incorporate CAB-381-2 BP have better flow and leveling, fewer surface defects, better pigment orientation, and improved UV stability.
Specifications
Viscosity ASTM-A, sec: 0.33 - 0.55 Acetyl by GC, wt%: 12 - 15 Butyryl by GC, wt%: 36 - 40 Free acidity, ppm: 300 Max Moisture, wt%: 3.0 Max Hydroxyl, wt%: 1.0 - 2.0
Primary Chemistry: Cellulose Acetate Butyrate
Features & Benefits
Improve flow and leveling Reduce cratering Reduce dry time Provide polishability Improve sprayability Pigment dispersion medium Metallic pigment control Redissolve resistance Sag resistance Enhanced color uniformity Decreased sand scratch telegraphing Intercoat adhesion Compliant with European standards
Applications
Automotive Coatings; Plastic Coatings; Lacquers; Heat Seal Adhesive
Eastman Solus™ performance additives are the newest cellulose esters designed for high-solids solvent-borne systems. Solus™ is specifically engineered to meet lower VOC target while improving performance in clear, pigmented and metallic automotive coatings.
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