I-PP kunye ne-PET nganye ineempawu zayo kwaye ifanelekile kwizicelo ezahlukeneyo.
I-PP inokumelana nobushushu obuphezulu-kwaye inokumelana noluhlu lwamaqondo obushushu obuyi -20℃ukuya kwi 120℃, kwaye ingasetyenziselwa ngqo ukufudumeza imicrowave; I-PET inokumelana neqondo eliphantsi ngokwentelekiso, kwaye ubushushu bayo bokusebenza ngokubanzi bu- -40℃ukuya kuma-70 degrees .
I-PP inokungafihli okuphantsi, ubukhulu becala bumhlophe bubisi okanye isiqingatha -i-transparent, kwaye ivakala ithambile kwaye ibhetyebhetye; I-PET inokukhanya okuphezulu, kufutshane neglasi, kwaye ineglosi elungileyo.
I-PP inozinzo oluhle lweekhemikhali; I-PET inokukhupha izinto eziyingozi kumaqondo obushushu aphezulu okanye ngokusetyenziswa ixesha elide.
