Low Molecular Weight Hindered Amine Light Stabilizer (HALS) Molecular Weight 480.74Applications YS 770 is recommended to be used in polypropylene, impact modified PP (TPO), EPDM, polystyrene, impact poystyrene, ABS, SAN, ASA and polyurethanes and is also effective in polyamides and polyacetals.Features/Benefits 770 is a low molecular weight hindered amine light stabilizer that provides excellent ...