high efficiency UV absorber 329 It is an effective light stabilizer for a variety of plastics and other organic substrates .
high efficiency UV absorber 329
It is an effective light stabilizer for a variety of plastics and other organic substrates such as polycarbonate, PVC rigid, PVC flexible, ABS compounding, polyurethane, TPU, polymethyl methacrylate and POM.
[Dosage] Between 0.1-1.0%
[Properties] Flash Point: > 150°C
Specific Gravity (20°C): 1.18 g/cm3
Solubility (20°C) % w/w:
Acetone 9; Benzene: 32; Chloroform 37; Cyclohexane 15; Ethyl Acetate 15;
Methanol 0.6; Methylene Chloride 38; Water < 0.01
[Specifications] Appearance: White Powder or Flake
Assay (GC): 99% min
Melting Point: 103-105°C
Volatile: 0.3% max
Ash: 0.05% max
Transmittance:
440nm 97.0% min
500nm 98.0% min
[Storage and Transport] Keep container tightly closed. Avoid ingestion and inhalation.
[Packing] 20KG Cartons or as customers’ requirements
high efficiency UV absorber 329
