Typical Properties
Molecular weight: 326
Melting range ℃: 47-50
Density at 20℃: 1.16
Product form: Light yellow powder
Solubility at 20℃ ( g/100g solvent ):
Acetone | >50 | Butyl acetate | >50 | 100# solvent oil | >50 |
Xylene | >50 | Propanediol methyl ether acetate | >50 | Ethanol | 6 |
N-hexane | 30 | Methyl n-pentanone | >50 | Diethylene glycol butyl ether | 36 |
Water | <0.01 |
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Applications
UV Absorber 531 is widely used in PE, PVC, PP, PS, PC, organic glass, polypropylene fiber and ethylene vinyl acetate, etc. UV Absorber 531 also provides good light stabilization effect for dry phenolic and alkyd varnishes, polyurethanes, acrylics, epoxies and other air-drying products, as well as automotive refinishing paints, powder coatings, polyurethanes, rubber products, etc.
Storage
UV Absorber 531 product is stable in nature and has no special requirements; pay attention to moisture-proof and avoid high temperature.
Recommended Concentrations
0.1-0.5% (the specific amount to be added is subject to the actual application of the customer).