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Tinuvin® XT 850 FF

Technical Datasheet | Supplied by BASF
Tinuvin® XT 850 FF by BASF is a hindered amine derivative. It imparts outstanding weatherability to polyolefins. It does not interact with acid-cured 1-component automotive coatings and other acidic components. Its excellent compatibility with polyolefins provides benefits such as good resistance to fogging for automotive interior applications and reduced mold deposit formation. It protects polymers from UV radiation, helping to preserve the original appearance and physical integrity during weathering. Tinuvin® XT 850 FF is especially recommended for the stabilization of blends of polypropylene with elastomers (TPO). Also compatible with molded-in-color TPO, TPE, TPV, and polypropyl¬ene, polyethylene, polyvinylchloride, thermoplastic polyester elastomers, and polyurethanes. Recommended dosage is 0.05 and 0.5 %. It can be used alone or in combination with other additives such as Tinuvin ultraviolet absorbers, Irganox® antioxidants, Irgafos® and Irgastab® FS process stabilizers, and other functional stabilizers and additives.
Product Type
  • Heat Stabilizers
  • Light Stabilizers / UV Absorbers > HALS, Hindered Amines
Chemical Composition
Hindered amine derivative
Physical Form
White to off-white
Product Status
Applications/ Recommended for
  • PE
  • PP
  • PVC
  • TPE and TPV
  • Automotive/ Transportation
  • Polymer protection > Weatherability (UV, moisture, Oxygen...)
Food contact approval

Tinuvin® XT 850 FF Properties


Value & Unit
Test Condition
Test Method
Melting Point
63 - 120 °C
Bulk Density
475 g/l

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