Enmai 622 light stabilizer

Brand: enmai model: 622

 

Origin: Shanghai

 

Melting point: 85 ℃

 

Light transmittance: 98 ‰

 

Package: 25kg / barrel

 

PH value: 7

 

detailed description:

 

Light stabilizer 622

 

Chemical name: polybutyric acid (4-hydroxy-2,2,6,6-tetramethyl-1-piperidine ethanol) ester

 

English Name: poly - (n)- β- hydroxyethyl-2,2,6,6-tetramethyl-4-hydroxy-piperidyl succinate)

 

C A S NO： 65447-77-0

 

Molecular formula: H [c15h25o4n] noch3

 

The chemical structure formula is as follows

 

Quality standard: appearance: white powder or light yellow granule

 

Transmittance: ≥ 95% (425nm)

 

≥98%(500nm)

 

Volatile matter: ≤ 0.5% (105 ℃, 2 hours)

 

Ash content: ≤ 0.1%

 

Molecular weight: > 2500 (relative to polystyrene)

 

Main uses: hindered amine light stabilizer. It can be used in polyethylene, polypropylene, polyurethane, polyoxymethylene, polyamide and polyester elastomer. It can also be used in ABS and engineering plastics. This product has been approved by some countries for food packaging.

 

Storage: the product should be stored in dark, dry, low temperature and dry conditions less than 30 ℃.

 

Packing: 25kg cardboard bucket, lined with plastic bag.