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UV Absorber 329

  • CAS No.: 3147-75-9;123307-21-1
  • Purity: 99
  • Min quantity: 1 Kilograms
  • Price: USD 12~21/Kilograms
  • Place of Orign: Dalian,Liaoning,China
Ms.sun xin

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Item specifics

  • Product Name.:UV Absorber 329
  • CAS No: 3147-75-9;123307-21-1
  • Weight: 323.432
  • Formula: C20H25N3O
  • Melting Point: 101-108℃
  • Boiling Point: 471.8°C at 760 mmHg
  • Density: 1.1g/cm3

Details

Chemical name : 2- (2'-Hydroxy-5'-tert-octylphenyl)benzotriazole
Introduction: UV-329 is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers. It is an effective light stabilizer for a variety of plastics and other organic substrates.
Details:
Molecular formula: C20H25N3O
CAS NO : 3147-75-9
Properties:
Appearance : white powder
Melting Range : 103-105 °C
Transmittance (%) : 440nm≥97 500nm≥98
Applications:
1. Unsaturated Polyester : 0.2-0.5wt% based on polymer weight
2.PVC: Rigid PVC : 0.2-0.5wt% based on polymer weight
Plasticized PVC : 0.1-0.3wt% based on polymer weight
3.Polyurethane : 0.2-1.0wt% based on polymer weight
4.Polyamide : 0.2-0.5wt% based on polymer weight
Packing:UV-329 is available in powder form in a 20 kg (44.1 LB) fiber drum, net weight, with an inner PE liner.
UV Absorber 329

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