Nnaka a wɔde nnuan gu mu no yɛ ade titiriw a ɛma wonya aduan ho ahobammɔ na ɛyɛ papa. Nneɛma a wɔpaw no nya aduan a ɛyɛ foforo, nea wotumi de fa, ne nneɛma a atwa yɛn ho ahyia so nkɛntɛnso tẽẽ. Mprempren, wobetumi akyekyɛ nneɛma atitiriw a wɔde kyekyere nnuan a ɛwɔ gua so no mu akuwakuw atitiriw anan: plastic, krataa, dade, ne nneɛma a wɔabom ayɛ. Nneɛma biara de application mfaso soronko ne mfiridwuma mu su ahorow ma.
Polypropylene (PP), polyethylene (PE), ne polystyrene (PS) ne nneɛma a wɔtaa de kyekyere nneɛma a wɔde yɛ plastic. Wɔtaa de PP di dwuma ma microwave aduan a wɔde kyekyere nneɛma ho esiane ne kɛse-temperature resistance (ɛboro 120℃), nea ɛda adi kɛse, ne nnuru a ɛyɛ den a ɛma ɛyɛ den nti. PE ma wotumi yɛ nsakrae yiye na wɔtaa de yɛ aduan a wɔde ahyɛ nwini mu. PS, bere a wɔde di dwuma kɛse wɔ awia aduan nnaka a wɔde tow gu mu esiane sɛ ɛho ka sua nti no, ɔhyew a ɛko tia no nyɛ papa koraa (ɛnyɛ nea ɛboro 70℃). Nnansa yi nkɔso a aba wɔ plastic a ɛtumi sɛe ade te sɛ polylactic acid (PLA) mu no ama nneɛma a atwa yɛn ho ahyia a wɔde yɛ plastic a wɔde kyekyere nneɛma ho no atu mpɔn kɛse.
Wɔde krataa a wɔde kyekyere nneɛma ho a wɔde krataa a wɔakata so, krataa a wɔde ayɛ ntama, ne ɛwo a wɔde kyekyere nneɛma ho no gyina hɔ ma. Paperboard a wɔde aduan adura ho-grade wax anaa polymers no ma nsu a ɛyɛ hyew ne nea wotumi tintim nyinaa ma, na ɛma wɔde di dwuma kɛse wɔ pastry packaging mu. Krataa a wɔde ayɛ corrugated, esiane sɛnea wɔayɛ no nti, ɛma wotumi gyina nhyɛso ano yiye, na ɛma ɛfata sɛ wɔde nneɛma a wɔde fa nneɛma gu mu. Kraft krataa a wɔayɛ ho adwuma titiriw no betumi ne nneɛma a wɔatow no adi nkitaho tẽẽ na ɛne EU aduan a wɔde di nkitaho gyinapɛn ahorow ahyia EC 1935/2004.
Nneɛma a wɔde yɛ dade titiriw ne aluminum foil ne tinplate. Aluminium foil a wɔde ahyɛ mu no ma wonya akwanside ahorow a eye kyɛn so (hann a esiw, oxygen, ne mmoawa nketenkete) na wɔtaa de yɛ chocolate ne nnuru a wɔde kyekyere nneɛma ho. Tinplate nkankyee, a ɛwɔ mu ne akyi a wɔde kata so no, ma ahoɔden kɔ so yɛ adwuma bere a esiw dade a emu yɛ duru a ɛkɔ so no ano na wɔtaa de yɛ nnuan a wɔde ahyɛ ahina mu. Nneɛma a wɔabom ayɛ no de mfasoɔ a ɛwɔ nneɛma ahodoɔ so no bom denam multi-ahyehyɛ nhyehyɛeɛ so. Sɛ nhwɛso no, aluminum-plastic composite films ma akwanside ahorow nyinaa ne nea ɛyɛ mmerɛw na wɔde di dwuma kɛse wɔ Ready-To-edi aduan a wɔde kyekyere nneɛma mu.
Mprempren nneɛma a ɛrekɔ so wɔ nneɛma a wɔde kyekyere aduan mu no twe adwene si dwumadi ne nea ɛbɛkɔ so atra hɔ daa so. Nkɔsoɔ a aba wɔ soro foforɔ-barrier nneɛma, smart indicator packaging, ne edible film technologies rema nnwuma no akɔ ahobanbɔ ne nneɛma a atwa yɛn ho ahyia ho nneɛma a wɔde kyekyere nneɛma ho.
