BE961MO wani nau'in copolymer ne mai siffar heterophasic. Wannan samfurin yana da alaƙa da haɗuwa mafi kyau ta ƙarfi, ƙarancin rarrafe da ƙarfin tasiri mai yawa. Wannan samfurin yana amfani da Fasahar Nucleation ta Borstar (BNT) don ƙara yawan aiki ta hanyar rage lokacin zagayowar. Abubuwan da aka samar da wannan samfurin suna da kyawawan halaye masu lalata, halayen injiniya masu kyau da kuma daidaiton girma mai kyau dangane da launuka daban-daban.