Tawada abu ne mai mahimmanci a cikin matakai daban-daban na bugu, kuma ana amfani da nau'ikan tawada daban-daban don cimma takamaiman tasiri. Tawada masu narkewar yanayi, tawada masu ƙarfi, da tawada masu tushen ruwa nau'ikan tawada ne da aka saba amfani da su, kowannensu yana da nasu halaye da aikace-aikace. Bari mu bincika bambance-bambancen da ke tsakaninsu.
Tawada mai tushen ruwa zaɓi ne da ake da shi sosai kuma zaɓin muhalli. Ya ƙunshi pigments ko rini da aka narkar da cikin ruwa. Irin wannan tawada ba mai guba ba ne kuma yana ƙunshe da ƙananan VOC (magungunan kwayoyin halitta masu canzawa), yana sa shi lafiya don amfani a cikin gida. Ana amfani da tawada na tushen ruwa a cikin bugu na ofis, bugu na fasaha, bugu na yadi da sauran aikace-aikace.
Tawada masu narkewa, a gefe guda, sun ƙunshi pigments ko rini waɗanda aka narkar da su a cikin mahaɗan kwayoyin halitta masu canzawa ko sinadarai na petrochemicals. Wannan tawada yana da matuƙar ɗorewa kuma yana ba da kyakkyawar mannewa ga abubuwa iri-iri da suka haɗa da vinyl, filastik da ƙarfe. Ana yawan amfani da tawada mai narkewa a cikin siginar waje da aikace-aikacen nannade abin hawa saboda yana ƙin yanayin yanayi kuma yana ba da sakamakon bugu na dindindin.
Eco-solvent tawada sabon tawada ne mai ɗanɗano tare da kaddarorin tsakanin tushen ruwa da tawada masu ƙarfi. Ya ƙunshi ɓangarorin launi da aka dakatar a cikin ƙauyen muhalli, wanda ke ƙunshe da ƙananan VOC fiye da tawada masu ƙarfi na gargajiya. Eco-solvent inks suna ba da ingantaccen dorewa da aikin waje yayin da ba su da illa ga muhalli. An fi amfani da shi a aikace-aikace kamar bugu na banner, zane-zane na vinyl, da kayan aikin bango.
Ɗaya daga cikin manyan bambance-bambance tsakanin waɗannan nau'in tawada shine tsarin warkewa. Tawada na tushen ruwa sun bushe ta hanyar ƙawance, yayin da tushen ƙarfi da tawada masu narkewa suna buƙatar lokacin bushewa tare da taimakon zafi ko kewayawar iska. Wannan bambance-bambance a cikin tsarin warkewa yana rinjayar saurin bugun bugu da haɓakar kayan aikin bugu.
Bugu da ƙari, zaɓin tawada ya dogara da takamaiman buƙatun aikin bugu. Abubuwa kamar daidaitawar saman, wasan kwaikwayo na waje, haske mai launi da tasirin muhalli suna taka muhimmiyar rawa wajen zabar nau'in tawada daidai.
Gabaɗaya, tawada na tushen ruwa suna da kyau don bugu na muhalli a cikin gida, yayin da tawada masu ƙarfi suna ba da dorewa don aikace-aikacen waje. Tawada masu narkewar yanayi suna daidaita daidaito tsakanin dorewa da abubuwan da suka shafi muhalli. Fahimtar bambance-bambance tsakanin waɗannan nau'ikan tawada yana ba masu bugawa damar yin zaɓin da suka dace dangane da takamaiman buƙatun bugu da alkawurran muhalli.
Lokacin aikawa: Nuwamba-24-2023