Polypropylene, nooc ka mid ah polymer aan sun ahayn, ur lahayn, dhadhan lahayn oo leh crystallization sare, barta dhalaalka ee u dhaxaysa 164-170℃, cufnaanta u dhaxaysa 0.90-0.91g/cm23, miisaanka molecular-ka waa qiyaastii 80,000-150,000. PP waa mid ka mid ah balaastikada ugu fudud dhammaan noocyada hadda jira, gaar ahaan kuwa ku deggan biyaha, iyadoo heerka nuugista biyaha ee biyaha ku jira 24 saacadood uu yahay 0.01%.