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Uvinul® 5050

Technical Datasheet | Supplied by BASF
Uvinul® 5050 by BASF is alpha-alkenes(C20-C24) maleic anhydride-4-amino-2,2,6,6-tetramethylpiperidine, polymer. It is a high molecular weight hindered amine light stabilizer (HALS). It shows excellent polymer compatibility and good extraction resistance. It shows high compatibility in polyolefins resulting in low water take-up during production of tapes. Uvinul® 5050 combines the typical benefits of a variety of high molecular weight HALS. It provides good light and thermal stability to the polymer and improved ancillary properties like low water carry-over (WCO). It offers good light stability to PE and PP tapes, PP fibers, PE films and thick articles of PP & PE. It is also suitable for olefin copolymers such as EVA, blend of polypropylene with elastomers and flexible/rigid PVC or PVC blends. Its recommended level is 0.05-1.4%.
Product Type
Light Stabilizers / UV Absorbers > HALS, Hindered Amines
Chemical Composition
Alpha-alkenes (C20 – C24) maleic anhydride-4-amino-2,2,6,6-tetramethylpiperidine, polymer
CAS Number
Physical Form
Product Status
Applications/ Recommended for
  • PP
  • PVC
  • Other Thermoplastic > EVA
  • PE
  • Fibers/ Textiles/ Carpets > Fibers

Uvinul® 5050 Properties


Value & Unit
Test Condition
Test Method
Molecular Weight
3000 - 4000 g/mol
Melting Point
95 - 125 °C
0.99 g/cm3
(At 25°C)

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