HP550J yana da lasisi ta Lyondell Basell'fasahar Spheripol. Ana samar da albarkatun propylene ta hanyar tsarin PDH, kuma abun cikin sulfur na propylene monomer yana da ƙarancin gaske. Samfurin yana da halaye na ƙarfin ƙarfi, haɓaka mai ƙarfi, ductility mai kyau, sauƙin sarrafawa, ƙarancin wari da sauransu.