Ihe ndị bụ isi nke friji

Ngwugwu ice na-abụkarị nke mejupụtara ọtụtụ ihe eji eme ihe iji nye ntuzi aka na ịdị ogologo zuru oke. Ihe ndị bụ isi gụnyere:

1. N'elu igwe:

-Nyy: dị mfe ma na-adịgide adịgide, nke a na-ejikarị ya na ngwugwu dị elu. Naịlọn nwere ezigbo iyi na-eguzogide na iguzogide.
-Polyester: onye ọzọ ejirikarị ya rụọ ọrụ, dịtụ ọnụ ala karịa nylon, nweekwa ezigbo ịdị mfe na ebili mmiri na-eguzogide.
-Mnyl: Kwesịrị ekwesị maka ngwa na-achọ mmiri mmiri ma ọ bụ mfe ihicha.

2. Igha Insition:

-Phoorethane ụfụfụ: ọ bụ ihe na-egbochi ihe na-egbochi ya, ma na-ejikarị akpa Icerf n'ihi arụmọrụ mkpuchi ọkụ na njiri mara mma na njiri mara mma.
-Polstysteren (EPP) ụfụfụ: A maara nke ukwuu dị ka Styrofoam, a na-ejikarị akwụkwọ a na obere igbe oyi na-adịghị mma.

3. Ihe dị n'ime:

-Alininum foil ma ọ bụ ihe nkiri meriri ekeresimesi: ejikarị ihe eji emeju ihe iji nyere aka na-egosi na ọ na-ekpo ọkụ ma nọgide na-enwe ọnọdụ okpomọkụ.
-Fod ọkwa peva (polyethylene vinyl acetate): ihe na-anaghị egbu egbu na-ejikarị maka akwa nke akpa akpa na-akpọtụrụ ya na nri, ma ọ bụ karịa n'ihi na ọ nweghị PVC.

4. Menver:

Akpa akpa: akpa nwere gel pụrụ iche, nke nwere ike idobe mmetụta jụụ ogologo oge mgbe kefriza mmetụta. A na-eme nke ọma site na mmiri na polymer na polymer (dị ka Polyacrylamide), mgbe ụfọdụ, a na-etinye ihe na antifrain na-agbakwunye iji melite arụmọrụ.
-Nye mmiri ma ọ bụ ihe ngwọta ndị ọzọ: ngwugwu ice dị mfe nwere ike ịnwe mmiri nnu, nke nwere ntakịrị mmiri dị ala ma nwee ike inye oge oyi n'oge.
Mgbe ị na-ahọrọ akpa akpa dị mma, ị kwesịrị ịtụle ma ihe ọ bụla ma ọ chọrọ asambodo nchekwa, ọ chọrọ nhicha nri nri ma ọ bụ jiri ya na gburugburu.