Leadstab<sup>®</sup> LS 622
Leadstab<sup>®</sup> LS 622
Leadstab® LS 622
Leadstab LS 622 is a newest-generation polymeric hindered amine light stabilizer (HALS) with excellent thermal processing stability. It offers outstanding compatibility with resins, high resistance to water extraction, and extremely low volatility and migration tendency.
CAS number: 65447-77-0
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Product Description
Chemical name : Poly-(N-Beta-hydroxyethyl-2,2,6,6-tetramethyl-4-hydroxy-piperidyl succinate)
CAS number : 65447-77-0
Formula : H[C₁₅H₂₅O₄N]nOCH₃
M.W. : >3000
Chemical structure :  

Leadstab<sup>®</sup> LS 622

 

Specification

Appearance

White coarse powder

Melting point

50-70°C

Volatility

0.50% max

Ash

0.10% max

Chroma

30 Pt-Co max

Clarity

Clear

Transmittance

 

        @425 nm

98.0% min

         @500 nm

99.0% min

 

Application

Leadstab LS 622 can be applied to PE, PP, polystyrene, ABS, polyurethane and polyamide etc., optimum effects are obtained when used with antioxidants and UV-absorbers. It is one of the light stabilizers that are sanctioned by FDA to be used in food packages. Reference dosage in PE agricultural film: 0.3-0.6%.

 

Package

The packaging is 25 kg carton (inner with plastic bag) or according to customers' requirements.

 

Storage

Keep container tightly closed in a dry and well-ventilated place. Keep in a dry place under 30°C avoiding moisture and light.

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