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CAB-500-5
CAB-500-5 is a medium molecular weight cellulose acetate polymer with high butyrate content. It is commonly used as a film former in coatings and inks.
CAB-500-5 is a mixed cellulose ester that is used as binder or additive in coatings and inks. With a high butyryl level, CAB-500-5 contributes to high flexibility, high solubility and compatibility with cross-linking resins and plasticizers. It is used in finishes to improve dry-to-touch time, reduce cratering, provide better pigment dispersion and improve coating performance. It has tolerance for nonpolar aliphatic and aromatic hydrocarbons.
Specifications
Viscosity ASTM-A, sec: 3 - 6 Acetyl by GC, wt%: 2.5 -5 Butyryl by GC, wt%: 49 - 53 Free acidity, ppm: 300 Max Moisture, wt%: 3.0 Max Hydroxyl, wt%: 0.8 - 1.2
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
Problems Solved
Incompatibility of film forming resins with solvents Cracking and adhesion failure of coatings and inks on flexible surfaces Poor color uniformity of inks and coatings Poor flow and leveling of solvent based coatings that leads to defects
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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ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
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