... impact modified PP (TPO), EPDM, polystyrene, impact poystyrene, ABS, SAN, ASA and polyurethanes and is also effective in polyamides and ... is a low molecular weight hindered amine light stabilizer that provides excellent light stability for thick sections and films in ... recommended substrates. Benefits of using YS 770 is the high light-stabilizing performance, particularly in PP thick sections. It has ...