I-HP500N inelayisenisi evela kuLyondell Basell'Itekhnoloji yeSpheripol. Ipropylene yezinto eziluhlaza iveliswa ngenkqubo ye-PDH, kwaye umxholo wesalfure kwi-propylene monomer uphantsi kakhulu. Imveliso ineempawu zokuqina okuphezulu, ukuqina okuphezulu, ukuguguleka okuhle, ukucutshungulwa okulula, ivumba eliphantsi njalo njalo.