Light Stabilizer 622

CAS NO: 65447-77-0 PRODUCT NAME: Light Stabilizer 622 CHEMICAL NAME:Poly-(N-β-hydroxyethyl-2,2,6,6-tetramethyl-4-hydroxy-piperidyl succinate) CAS NO: 65447-77-0 MOLECULAR FORMULA: H[C15H25O4N]nOCH3 SPECIFICATION:Appearance:white or pale yellow granular Transmittance: ≥ 97% (425nm) ; ≥98%(500nm) Volatile;≤0.5%(105°C. 2hrs) Ash:≤0.1% MOLECULAR WEIGHT(Mn):> 2500 (contrast with polystyrene) APPLICATION:Hindered amine light stabilizer. It is used in light aging inhibition of polyethylene,polypropylene,polyurethane.metaformaldehyde polyamine and polyester,also in ABS and engineering plastics STORAGE :Store in dry places under 30°C, avoiding heat and moisture. PACKAGE :25kgs cardboard or drum (inner with plastic bag) or according to the customer's demands.