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Amfine Chemcial Corporation

LA-31RG/LA-31G Product Information

LA-31RG/LA-31G is a high molecular weight, low volatility benzotriazole UV absorber for the light stabilization of engineering plastics and fibers.


* Lowest volatility of any benzotriazole UV absorber
* Broad UV absorbance
* Low color contribution
* FDA cleared for use in PC and PET
(Please contact us for additional information)

  LA-31 Chemical Structure



* Polycarbonate (coextrusion and mass stabilized grades)
* PET packaging
* PET and PA fibers
* Engineering plastics (PBT, PET, PA, PPO)
* Polyolefins (PP, PE, TPO)

Typical Properties

Appearance: Pale Yellow Powder (LA-31RG) or Granule(LA-31G)
Melting Range: 194-200ºC

CAS Number


Additional Information (registered users)

Product Data Sheet
Safety Data Sheet