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Postion:Product Catalog >Catalyst and Auxiliary>UV absorbers>HALS 622
HALS 622
  • HALS 622
  • HALS 622
  • HALS 622
  • HALS 622
  • HALS 622

HALS 622

Price $100
Package 1kg
Min. Order: 25kg
Supply Ability: 200ton
Update Time: 2023-01-31

Product Details

Product Name: HALS 622 CAS No.: 65447-77-0
Min. Order: 25kg Purity: 99.99%
Supply Ability: 200ton Release date: 2023/01/31



Product Name:      HALS 622
 
Identification
Synonyms    
          Poly(4-hydroxy-2,2,6,6-tetramethyl-1-piperidine ethanol-alt-1,4-butanedioic acid)
Molecular Formula  (C15H25NO4)n
CAS Number           65447-77-0

Properties
Appearance            white powder
Melting Point          350 °C
Solubility                 insoluble in water
Stability                   stable under ordinary conditions

Specification
ItemSpecification
Appearance White powder
Transmittance(425nm) 95.0% min
Transmittance(500nm) 97.0% min
Volatile 0.50%max

Application
Hindered amine light stability agent. Used in light aging inhibition of polyethylene, polypropylene, polyurethane, metaformaldehyde, polyamine and polyester elastomer, also in ABS and engineering plastics. It is approved to be used for food package in some countries.

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  • Since: 2017-12-08
  • Address: Building A, Enjoy city, Zhongshan East Road, Shijiazhuang city, Hebei province
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