HP500N ili ndi chilolezo cha Lyondell Basell'Ukadaulo wa Spheripol. Propylene ya zinthu zopangira imapangidwa kudzera mu njira ya PDH, ndipo kuchuluka kwa sulfure mu propylene monomer ndi kochepa kwambiri. Chogulitsachi chili ndi mphamvu zambiri, kulimba kwambiri, kusinthasintha bwino, kukonzedwa mosavuta, fungo lochepa ndi zina zotero.
