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First monomeric HALS light stabilizer registered for food contact applications in plastics


* Uvinul® 4050 FF is the first monomeric HALS (hindered amine light stabilizer) with food contact approval for polymer applications
* New product form with low dust levels and improved flowability during dosing

Ludwigshafen , Germany – BASF’s Uvinul® 4050 FF is the first monomeric hindered amine light stabilizer (HALS) registered for food contact in polymer applications. The product is compliant with EU Directive 2002/72/EC as last amended in Regulation (EC) No. 975/2009 and with Food-Contact Notification (FCN) 647 in the US.

“Uvinul® 4050 FF is the low-molecular-weight HALS with the broadest food contact approval in plastic applications. Consumers benefit from longer-lasting end products, while plastic converters no longer risk any non-food contact cross-contamination,” says Klaus Koch, Global Product Manager for Light Stabilizers at BASF.

The specific light-stabilizing properties of Uvinul® 4050 FF, together with food contact approvals, make it the product of choice for all appliances made from ABS. It can also be used in packaging applications that require food contact approval, such as polypropylene (PP) food crates and bulk bags made of PP tapes.

Uvinul® 4050 FF, which replaces the chemically identical Uvinul® 4050 H, is supplied in an improved product form. “This new, more compact version generates considerably less dust and has better flowability than powders, making a significant contribution toward improved occupational health and safety during the compounding or masterbatching process,” explains Klaus Koch.

Within the EU, Uvinul® 4050 FF is approved for all types of polymer and food, with a specific migration limit (SML) of 50 ppb. In the US, Uvinul® 4050 FF is FDA cleared for concentrations of up to 0.25% in polypropylene and up to 0.5% in polystyrene. For styrene block copolymers and acrylonitrile copolymers, concentrations of up to 0.5% are approved.

About Plastic Additives

BASF is a leading manufacturer, supplier and innovation partner of additives and pigments for the plastics industry such as light stabilizers, antioxidants, process stabilizers, flame retardants, polymer modifiers, and organic and inorganic pigments.

About BASF

BASF is the world’s leading chemical company: The Chemical Company. Its portfolio ranges from chemicals, plastics, performance products and agricultural products to oil and gas. As a reliable partner BASF creates chemistry to help its customers in virtually all industries to be more successful. With its high-value products and intelligent solutions, BASF plays an important role in finding answers to global challenges such as climate protection, energy efficiency, nutrition and mobility. BASF posted sales of about €63.9 billion in 2010 and had approximately 109,000 employees as of the end of the year. BASF shares are traded on the stock exchanges in Frankfurt (BAS), London (BFA) and Zurich (AN). Further information on BASF is available on the Internet at or in its Social Media Newsroom at


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