• PRODUCT NAME
  UV ABSORBER 329
• CHEMICAL NAME
  OCTRIZOLE
• CAS
  3147-75-9
• MOLECULAR FORMULA
  C20H25N3O
• MOLECULAR WEIGHT
  323.4
• APPEARANCE
  PALE YELLOW POWDER
• MELTING POINT
  106-108℃
• PACKAGE
  BY PAPER CARTONS

UV Absorber 329 is a benzotriazole ultraviolet absorber with excellent performance. It effectively absorbs ultraviolet light of 270-340 nm. It is widely used in PE, PVC, PP, PS, PC, polypropylene fiber, ABS resin, epoxy resin, resin Fiber, and ethylene vinyl acetate. It hardly absorbs visible light. It is especially suitable for colorless transparent and translucent materials. It is available for the application of packaging materials, such as plastic containers and food packaging boxes. The recommended dosage is 0.1-0.5% for thin products. 0.05-0.2% for thick products.