Esikhathini esidlule, izitsha zokudla ze-melamine bezilokhu zicwaningwa futhi zithuthukiswa, futhi abantu abaningi bayayisebenzisa. Isetshenziswa kabanzi emahhotela, ezindaweni zokudlela ezisheshayo, ezitolo zama-dessert nakwezinye izindawo. Kodwa-ke, abanye abantu bayangabaza ngokuphepha kwezitsha zokudla ze-melamine. Ingabe ipulasitiki yezitsha zokudla ze-melamine inobuthi? Ingabe izoba yingozi emzimbeni womuntu? Le nkinga izochazwa kuwe ochwepheshe bomkhiqizi wezitsha zokudla ze-melamine.
Izitsha zetafula ze-Melamine zenziwe ngempuphu ye-melamine resin ngokushisa nokucindezela. Impuphu ye-Melamine yenziwe nge-melamine formaldehyde resin, nayo ewuhlobo lwepulasitiki. Yenziwe nge-cellulose njengezinto eziyisisekelo, enezela imibala nezinye izithasiselo. Ngenxa yokuthi inesakhiwo senethiwekhi esinezinhlangothi ezintathu, iyinto ye-thermoset. Uma nje izitsha zetafula ze-melamine zisetshenziswa ngokufanele, ngeke zikhiqize ubuthi noma umonakalo emzimbeni womuntu. Ayiqukethe izingxenye zensimbi esindayo, futhi ngeke ibangele ubuthi bensimbi emzimbeni womuntu, futhi ngeke ibangele umthelela othile omubi ekukhuleni kwezingane njengokusetshenziswa isikhathi eside kwe-aluminium foil ekudleni emikhiqizweni ye-aluminium.
Ngenxa yokwenyuka kwentengo yempuphu ye-melamine, abanye abathengisi abangathembekile basebenzisa ngqo i-urea-formaldehyde molding powder njengezinto zokusetshenziswa ukuze bakhiqize inzuzo; ubuso bangaphandle bumbozwe ungqimba lwempuphu ye-melamine. Izitsha zokudla ezenziwe nge-urea-formaldehyde ziyingozi emzimbeni womuntu. Yingakho abanye abantu becabanga ukuthi izitsha zokudla ze-melamine ziyingozi.
Uma abathengi bethenga, kumele baqale baye esitolo noma esitolo esivamile. Uma uthenga, hlola ukuthi izitsha zokudla zine-deformation ecacile, umehluko wombala, ubuso obubushelelezi, phansi, njll. Ukuthi azilingani yini nokuthi iphethini ye-applique icacile yini. Uma izitsha zokudla ezinemibala zisulwa emuva naphambili ngama-napkin amhlophe, ukuthi kukhona yini into efana nokufiphala. Ngenxa yenqubo yokukhiqiza, uma i-decal inomphetho othile, kuyinto evamile, kodwa uma umbala usuphelile, zama ukungawuthengi.
Isikhathi sokuthunyelwe: Disemba 15-2021