Nurcasorb UV-531

  • Description

Technical Data Sheet download
UV-531 is a benzophenonelight stabilizer, capable of absorbing the UV radiation of 240-340nm wavelength. It is of light color, non-toxicity, good compatibility, small mobility and easy processing. It is widely applied to PE,PVC,PP,PS,PC organic glass, PP fiber, ethylene-vinyl acetate etc. Moreover, it has very good light-stability on drying phenol aldehyde, varnish of alcohol, polyurethane, acrylate, expoxnamee, etc. Its dosage is recommended to be 0.1%-0.5%.

PACKAGE: 25kg net drum

CHEMICAL NAME:2-Hydroxy-4-n-Octoxy Benzophenone
CAS NO.:1843-05-6
Equivalent:Chimassorb 81 (Ciba SC) / Cyasorb UV-531 (Cytec)
Appearance :Yellowish crystal powder
Melting point (℃)47.0-49.0
Ash (%):0.1 max.
Moisture Content (%):0.5 max.
Light transmittance (%)440 nm:79min.
460 nm:89 min.
Purity (%)99 min.