BE961MO ni copolymer ya heterophasic. Iki gicuruzwa kirangwa n'uruvange rwiza rw'ubukonje bwinshi, ubukonje buke n'imbaraga zikomeye cyane. Iki gicuruzwa gikoresha ikoranabuhanga rya Borstar Nucleation (BNT) kugira ngo cyongere umusaruro binyuze mu kugabanya igihe cy'uruziga. Ibintu byakozwe hamwe n'iki gicuruzwa bifite imiterere myiza cyane yo gukuraho, imiterere ihamye ya mekanike ndetse n'ubunini bwiza bw'ingano ugereranyije n'amabara atandukanye.
