1. PP ntawv zoo dispersion: thiab qhov sib, mos polyethylene compatibility, ces tej zaum tseem yuav muab tau ib tug nqi loj padding, thiab tag sab nrauv tseem yog ib yam khoom zoo.
2. PP los xij siab dawb: cov khoom no yog lub dawb ntshiab si, noj ntau, yooj ywm xim ua ntau yam khoom.
3. txoj kev siv cov tshuaj mas siv coupling silane: tus sau tus loj kom muaj nuj nqis, kom cov khoom tseem muaj zoo txhua yam khoom.
4. kev yooj: muaj ntxuav cov khoom siv thiab cov tshuab.