CHEMNOVO|Leading thermal cracked PE wax manufacturer in China

HALS 622 acts as a hindered amine light stabilizer.

Used in light aging inhibition of polyethylene, polypropylene, polyurethane, metaformaldehyde polyamine, and polyester and also in ABS, and engineering plastics.

PARAMETERS	HALS 622

Chemical Name	Poly-(N-β-hydroxyethyl-2,2,6,6-tetramethyl-4-hydroxy-piperidyl) succinate
CAS No	65447-77-0
Ash	＜0.1 %
Molecular weight	＞ 2500
Appearance	white coarse powder or off yellow granules
Volatile Matter	≤0.5 %
Softening point	50~70 ℃
Density @ 20°C	1.01 g/cm^3
Weight loss temperature	＞270 ℃
Transmittance	425 nm	≥95 %
	500 nm	≥97 %

Polymerized HALS with high molecular weight,low volatility, low degradation, hardly extractable (by water) or bleachable (by gas), and fine heat stability, working well with AO and UVA;Widely used in PP, PE, PS, ABS, PU, POM, TPE etc.

Light Stabilizer 622

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