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Light Stabilizer Hals 622 65447-77-0

  • Model NO.: hals 660
  • Transmittance(425nm): 95.0% Min
  • Transmittance(500nm): 97.0% Min
  • Volatile: 0.50%Max
  • Trademark: SWC
  • Transport Package: in 25kgs Net Carton
  • Origin: China
  • CAS No.: 65447-77-0
  • Formula: (C15h25nh4)N
  • Kind: centical
  • Appearance: Powder
  • Name: Hals 622
  • CAS: 65447-77-0

Product Name: HALS 622

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

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

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

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.

Packing and Storage
Packing In 25kgs net carton
Storage Keep tightly closed. Avoid light, moisture, heat. Stored below 30 °C

Safety Information
Non-hazardous for air, sea and road freight.

Frequently Asked Questions

Q1: May I get one sample before placing order?
Re: Yes, Sample are available. For normal products, samples are for free and you just need to bear the freight; For those high value products, you just need to freight and certain product cost. When we both cooperate for some times or when you are our VIP customer, free sample will be offered when you need.

Q2: Which payment is available for your company?
Re: T/T, L/C. You can choose the one which is convenient for you.

Q3: How and when can I get my goods after payment?
Re: For small quantity products, they will be delivered to you by international courier(DHL, FedEx, TNT etc.) or by air. Usually it will cost 3-5days that you can get the goods after delivery.For large quantity products,shipping by see is worthwhile.It will cost days to weeks to come to your destination port, which depends on where the port is.

Q4: Is there any possible to use my appointed label or package?
Re: Yes. If needed, we'd like to use label or package according to your requirement.

Q5: How can you guarantee the goods you offer is qualified?
Re: We always believe honesty and responsibility are basis of one company, so whatever products we provide for you all are qualified. We will have goods tested and provide COA before delivery for sure.


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Light stabilizer | cas 65447-77-0