Light Stabilizer 622 CAS NO.65447-77-0

HALS 662 1,Good stabilization 2,High quality with competitive price 3,Fast delivery 4,Strong production ability Commercial name Light Stabilizer 622 Chemical namePoly-(N-β-hydr…

HALS 662 1,Good stabilization 2,High quality with competitive price 3,Fast delivery 4,Strong production ability Commercial name Light Stabilizer 622  Chemical namePoly-(N-β-hydroxyethyl-2,2,6,6-tetramethyl-4-hydroxy-piperidyl succinate) CAS NO 65447-77-0  Molecular formula H[C15H25O4N]nOCH3  SpecificationAppearancewhite 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) ApplicationHindered 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 20kgs cardboard or drum (inner with plastic bag) or according to the customer's demands HALS 7831,Good stabilization 2,High quality with competitive price3,Fast delivery4,Strong production ability Commercial name Hindered Amine light Stabilizer 783Chemical name The active substance is a mixture of Poly-{[6-[(1,1,3,3-tetramethyl butyl}-imino]- 1,3,5-triazine-2,4-diyl][2-(2,2,6,6-tetramethylpiperidyl)-amino]-hexamethylene [4-(2,2,6,6-tetramethylpiperidyl)-imino]}andPoly-(N-β-hydroxyethyl-2,2,6,6-tetramethyl-4hydroxy-piperidyl succinate) CAS NO 70624-18-9    65447-77-0 Molecula form  Specifications  Appearance                             light yellow granules                             Transmittance                          ≥ 90%(425nm)                             Transmittance                          ≥ 94%(500nm)                             Volatile                                    ≤0.75%                             Ash                                         ≤0.1%                             Molecular weight(Mn)               >2000-3100                                                                           >2500ApplicationHS-783 areas of application include polyolefin (PP, PE), polyurethane, polyfomaldehyde, polyamide and polyester and polyester with elastomers. And it can be used in engineering plastic suchad ABS When be used in Iow concentration agricultural film system (LDPE or LLDPE), it delivers excellent cost/perfomance benefits. STORAGE Avoid sunlight Be kept in dry place and under 30 °CPACKAGE20kgs cardboard drum (inner with plastic bag)