I.Izicelo:
Isixhobo sovavanyo lokusingqongileyo isetyenziselwa ukufumana i-phenomenon yokuqhekeka kwaye intshabalalo yezixhobo ezingezizo ezingezizo ezifana neplastiki kunye nerabha phantsi kwesenzo sexesha elide soxinzelelo. Isakhono sezinto zokuba ukumelana nomonakalo woxinzelelo lwendalo ulinganiswa. Le mveliso isetyenziswa ngokubanzi kwiplastiki, irabha kunye nezinye izinto zePolymer, zovavanyo, kunye namanye amashishini. Ukuhlamba kwemveliso yale mveliso kunokusetyenziswa njengesixhobo esizimeleyo sovavanyo ukuhlengahlengisa imeko okanye ubushushu beesampulu ezahlukeneyo zovavanyo.
II.Umgangatho weNtlanganiso:
I-ISO 499- "iiplasitiki-zizinto zokuchasana nokuchasana nokuchasana nendlela yokugweba
I-GB / T18429999- "Indlela yovavanyo yoxinzelelo lokusingqongileyo uxinzelelo lwe-polythylene"
I-ASTMD 1693- "Indlela yovavanyo yoxinzelelo lokusingqongileyo uxinzelelo lwe-polythylene"