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Light Stabilizer-622 (UV 622)
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Description

Product Name: Light Stabilizer-622 (UV 622)

Chemical Name:Poly-(N-β-hydroxyethyl-2,2,6,6-tetramethyl-4-hydroxy-piperidyl succinate)
   

CAS NO.: 65447-77-0

Packing: in 25kg net carton, or as customer's request

Features

 

 

Specification

Item

Standard

 Appearance

White or pale yellow granule

          Volatile matter

                  ≤0.5 % (105℃ 2hrs)

          Transmittance

425nm ≥ 97%  

 

500nm ≥ 98%

Ash

≤0.1%

Molecular weight (Mn)

>2100 (contrast with polystyrene)


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