Trade Name
 XH 622LD
Chemical Name
 Poly-(N- β -hydroxyethyl-2,2,6,6-tetramethyl-4-hydroxy-piperidyl succinate)
CAS Number
 65447-77-0
Molecular Formula
 H[C15H25O4N]nOCH3
Molecular structure
Specificatiomn
 Appearance:                               white crystal powder
Transmittance                             ≥ 95%(425nm)
(10g/100ml methyl benzene):     ≥ 98%(500nm)
Volatile:                                       ≤ 0.5%( 105C, 2hrs )
Ash:                                             ≤ 0.1%
Molecular weight (Mn):                >3000 (contrast with polystyrene)
Softening Temperature(℃):         55-70
Applications
 XH 622LD is polymeric HALS, with applications include polyolefins (PP, PE), olefin
copolymers such as EVA as well as blends of polypropylene with elastomers. In
addition, XH 622LD is highly effective in polyacetals, polyamides and polyurethane
applications.
Storage
 Store in dry places under 50C .
Package
 25kg cardboard drum (inner with plastic bag) or according to customer's request
Chemtech International, LLC