Ngwaahịa rọba dị ebe niile na ndụ anyị kwa ụbọchị, mana ha na-abịa n'ụdị dị iche iche. Ngwa plastik dị iche iche na-egosipụta nnukwu ọdịiche dị na arụmọrụ, ojiji na nchekwa. Ịghọta ọdịiche ndị a nwere ike inyere gị aka ịhọrọ na iji ngwaahịa plastik mee ihe nke ọma.
Nke mbụ, enwere ike kewaa plastik nkịtị ụzọ abụọ: thermoplastics na plastik thermosetting. Thermoplastics (dị ka polyethylene (PE), polypropylene (PP), na polystyrene (PS)) na-eme ka ọ dị nro ma na-emegharị ya n'elu ikpo ọkụ ma na-emeghachi ya mgbe ọ dị jụụ, na-eme ka ha nwee ike ịmịgharị ma dabara maka ngwaahịa ndị a na-ekpofu ma na-adịgide adịgide dị ka nkwakọ na arịa. Enweghị ike ịgbaze plastik na-ekpo ọkụ (dị ka resin phenolic na resin epoxy) ozugbo a gwọrọ ya. Ha nwere nnukwu nguzogide na ike ma a na-ejikarị ya na ngwa chọrọ nkwụsi ike ogologo oge{{3}, dị ka mkpuchi ọkụ na akụkụ ụgbọ ala.
Nke abụọ, kemịkalụ kemịkalụ na nchekwa nke plastik dị iche iche dịgasị iche iche. Dịka ọmụmaatụ, a na-ejikarị polyethylene terephthalate (PET) eme ihe na karama ihe ọṅụṅụ, mana ogologo oge{1} iji mee ihe nwere ike hapụ ihe ndị na-emerụ ahụ. High{3}} polyethylene density (HDPE) bụ corrosion{4}na-eguzogide ọgwụ na ọ dịghị - na-egbu egbu, na-eme ka ọ dabara maka igbe nchekwa na ọkpọkọ. Polyvinyl chloride (PVC) nwere plasticizers ma nwee ike ịhapụ ihe ndị na-emerụ ahụ mgbe ekpughere ya na oke okpomọkụ ma ọ bụ mmanụ, ya mere a naghị eji ya na nkwakọ ngwaahịa nri.
Ọzọkwa, ihe anụ ahụ nke plastik na-ekpebikwa ngwa ha. Polycarbonate (PC) na-enye nghọta dị elu na nguzogide mmetụta siri ike ma jiri ya mee ihe na anya anya anya na ngwa nchebe. Polytetrafluoroethylene (PTFE, makwaara dị ka Teflon) na-eguzogide ọgwụ nke ukwuu ma a na-ejikarị ya eme ihe na-abụghị -stack pan coatings.
Na nkenke, ọdịiche dị n'etiti ngwaahịa plastik abụghị nanị na-egosipụta n'ụdị ihe, kamakwa na usoro nhazi, nkwụsị ọkụ, nkwụsi ike nke kemịkal, na arụmọrụ gburugburu ebe obibi. Ndị na-eri ahịa kwesịrị ịhọrọ ngwaahịa rọba kwesịrị ekwesị dabere na mkpa ha n'ezie ma ṅaa ntị na mmachi ojiji ya iji hụ na nchekwa na nkwado.
