CAS:65447-77-0 BASF Tinuvin 622

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BASF Tinuvin 622

Light Stabilizer 622
Polysuccinate (4-hydroxy-2,2,6,6-tetramethyl-1-piperidineethanol) ester
Polymer of dimethyl succinate and 4-hydroxy-2,2,6,6-tetramethyl-1-piperidineethanol
Poly-(N-β-hydroxyethyl-2,2,6,6-tetramethylpiperidyl-1-ethanol) succinate
Hindered Amine Light Stabilizer 622
Light stabilizer 622

Countertype or Equivalent:
BASF light stabilizer Tinuvin 622
BASF Tinuvin 622
BASF Tinuvin 622

Appearance: colorless to light yellow fine particles Melting point: 50℃-70℃
Flash point: 250℃
Solubility (20℃):
① Water: 0.01
② Methanol: 0.05
③ Ethanol: 0.08
④ Acetone: 4
⑤ Ch2Cl2: > 40.0
⑥ Alkane: 0.01
Ash: ≤0.10%
Volatile matter: ≤0.50%(105℃,2hours)
425nm ≥95.0%
500nm ≥98.0%

Light Stabilizer 622 is an oligomeric hindered amine light stabilizer that meets low volatility and minimal migration requirements.
622 is suitable for use in pigment and carbon black systems, typical end uses include adhesives, sealants, elastomers, fibers and films.
The combination of light stabilizer 622 and UV absorbers such as UV 326/UV 329 has a synergistic effect and is widely used in PP, PE, PS, ABS, PU, POM.
Light stabilizer 622 is a hindered amine light stabilizer, which can be used in polyethylene, polypropylene, polyurethane, polyoxymethylene, polyamide and polyester elastomers; it has a good synergistic effect with antioxidants and ultraviolet absorbers, which can further improve the product quality. heat resistance and light aging resistance.

Packing: 25kg/drum
Storage conditions: This product has good storage stability. High temperature and humidity should be avoided during storage and transportation. It should be stored in a cool, dry and ventilated place to prevent moisture and heat.

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