UPET, ngamandla awo aphezulu, ukumelana kwamakhemikhali, ukucaca okuphezulu, kanye nokuphinda usebenzise kabusha, sekuyinto ehamba phambili yokufaka. I-PVC, ngamakhemikhali awo amahle kakhulu, uwoyela, kanye nokumelana kwamanzi, sekuyinto ebaluleke kakhulu emikhakheni yezimboni nezokwakha. I-PP, ngamandla ayo aphezulu, ukumelana nokushisa, ukumelana kwamakhemikhali, nokwenziwa okuhle kakhulu, kunika amandla imikhiqizo ukwenza kahle ezindaweni ezahlukahlukene.
Ngokuya kwe-Design, lo mkhiqizo wefilimu uhlanganisa ukwakheka kwesimanje nge-aesthetics yendabuko. Ukwelashwa okungaphezulu kwensimbi akugcini nje ngokudlulisela ukuqeda okuhlukile okucwebezelayo kepha futhi kunezela izinhlobo ezibonakalayo ngokusebenzisa amathoni ensimbi ahlukahlukene (njengesiliva, igolide, nethusi). Lokhu kuqedwa okucwebezelayo kungafakwa kumandla ahlukahlukene angaphezulu komhlaba, kusuka ku-frossed ku-powed ku-matte, kwakha ama-aesthetics ahlukahlukene.
Ukwelashwa okwenziwe ngensimbi kuthuthukisa ukumelana kwamakhemikhali womkhiqizo kanye nowoyela, okwenza kube lula ngezindawo ezahlukahlukene zamakhemikhali. Iphinde imelane namabala kawoyela, igcina ukubukeka okuhlanzekile nokuhlanzekile.