Composition (I) containing polycarbonate and a 2-(4'-alkoxy-2'-hydroxyphenyl)-4,6-bis-(4"-biphenylyl)-1,3,5-triazine derivative. Composition (I) containing polycarbonate and a compound of formula (II). R : 4-10C alkyl (branched or unbranched). An independent claim is included for products containing (I). [Image].