LyondellBasell Polypropylene grade Moplen HP550J B ndi homopolymer yapakatikati yokhala ndi wamba.kugawa kulemera kwa ma molekyulu ndipo amapangidwa ndi phukusi lowonjezera-cholinga chowonjezera. Moplen HP550J B ndizopangidwira kupanga mafilimu omwe angasinthidwe kukhala matepi otambasulidwa kuti azitha kuluka.