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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. One of the unique features of Uvinul 5050 is 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, thick articles of PP and PE. Its recommended level is 0.05-1.4%.
Product Type
  • Light Stabilizers / UV Absorbers > HALS, Hindered Amines
  • Heat Stabilizers
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
  • PE
  • Fibers/ Textiles/ Carpets > Fibers
Food contact approval
Bio Based

Uvinul® 5050 Properties


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