Kua raihanahia a HP500N e Lyondell Basell'Hangarau Spheripol. Ka hangaia te propylene mata mā te tukanga PDH, ā, he tino iti te ihirangi whanariki o te propylene monomer. He kaha teitei, he pakari teitei, he ngāwari te tukatuka, he iti te kakara, me ētahi atu āhuatanga o te hua.