Ukusetyenziswa okuqhelekileyo njenge-alloy yeplastiki, i-starch egcwele i-compound, i-bio-mass ezaliswe i-compound okanye i-mineral powder ezaliswe i-compound ezaliswe kwi-plastiki ye-biodegradable njenge-PLA, i-PBAT, i-PBS, i-PPC, i-PCL, i-TPS kunye ne-PHA njl.