- Functions:Light Stabilizer, UV Absorber, Stabilizer
- Chemical Family:Benzotriazoles
- Compatible Polymers & Resins:Unsaturated Polyester (UPE), Polyamides, Polyvinyl Chloride (PVC), Polyurethanes (PU)
- End Uses:Roofing Membranes
Mfsorb® 329 is a hydroxyphenyl benzotriazole UV absorber, strong UV absorption. Highly effective light stabilizer for a variety of plastics and organic substrates, keeping the original appearance and physical properties of molded products, films,fibers and sheets under outdoor conditions.