I-adhesive yodonga lwekhethini iyinto ebalulekile kumaphrojekthi okwakha, futhi isetshenziswa esakhiweni sodonga lwekhethini sesakhiwo sonke, esingabizwa ngokuthi "ubuhle obungabonakali". I-adhesive yodonga lwekhethini inamandla aphezulu, ukumelana nokuqhekeka, ukumelana nokushayisana, inqubo yokwakha elula, futhi isetshenziswa kabanzi ekwakheni nasekufakeni, ekuhlobiseni, ekuvaleni, ekubopheni kwesakhiwo nakwezinye izinkambu. Isiqondiso sokuthuthukiswa kwezakhiwo zanamuhla kuzoba ukuklama (ukulinganisa, ukwakhiwa kwemishini, ukwakhiwa kusengaphambili kwezingxenye kanye nesisindo esincane, amandla aphezulu kanye nezinto zokwakha eziningi). Futhi i-adhesive yomklamo wodonga lwekhethini isetshenziswa kabanzi, izosheshisa inqubo yalokhu okune, futhi ekuthuthukiseni isivinini sokwakha, ihlobise isakhiwo, ithuthukise ikhwalithi yokwakha, yonge isikhathi namandla, inciphise ukungcola kanye nezinye izici eziningi zinokubaluleka okubalulekile, ngakho-ke i-adhesive yodonga lwekhethini isibe enye yezinto zokwakha ezibalulekile zamakhemikhali. Yiziphi izinkinga ezivamile ezihlangana nazo ekwakhiweni kwe-adhesive yobunjiniyela bodonga lwekhethini edlala indima ebalulekile? Sibhekana kanjani nazo?
1.ingcina yesakhiwo enamandla aphezulu kusiphi isimo lapho kudingeka khona ubufakazi bochwepheshe?
Odongeni lwekhethini lengilazi olunesakhiwo se-silicone sealant super specification design, amaphrojekthi odonga lwekhethini kudingeka asebenzise i-junbond brand ultra-high performance structural silicone sealant ukuze athuthukise inani le-f1 (inani lomklamo wamandla we-silicone sealant ngaphansi komthwalo womoya noma ukuzamazama komhlaba), inani le-f2 (inani lomklamo wamandla we-silicone sealant ngaphansi komthwalo ohlala njalo), inani le-δ (umthamo wokuthwala we-silicone sealant displacement, ukuxazulula inqubo yokuklama Ububanzi noma ukujiya komklamo we-silicone sealant ohlangatshezwene nakho kudlula inani le-specification. Ukusebenziseka kwalolu hlobo lwe-specification super, isidingo sokuqondiswa kwephrojekthi sitholakala esifundazweni sezindlu kanye nomnyango wokwakha wasemadolobheni nasemaphandleni ukuze kufakwe isicelo, umnyango wezindlu kanye nomnyango wokwakha wasemadolobheni nasemaphandleni ukuze uhlele isikhathi sokuqoka iqembu lochwepheshe, ukuze kuqinisekiswe ochwepheshe.
2. Uyoba yini umphumela wokucwiliswa kwesikhathi eside kwe-adhesive esakhiweni kanye ne-adhesive engangenisi isimo sezulu? Kuzothinta isikhathi esingakanani ukusebenza kokucwiliswa?
Izinamathiseli zesakhiwo kanye nezishintshashintshayo ziyizinamathiseli ze-silicone (ngenxa yesakhiwo sama-molecule e-silicone sealants ngokwazo, amanzi okucwilisa isikhathi eside, ezinye izibopho zamakhemikhali zizocwiliswa futhi ziphuke, ukwehluleka kokubopha. Ku-GB16776 standard "yokwakha i-silicone structural sealant", i-silicone structural sealant ephulukisiwe idinga ukwenza isivivinyo sokubopha, isivivinyo sokucwilisa izinsuku ezingu-14, isalokhu ibopha kahle. Ku-American standard ASTM 1184, isinamathiseli sesakhiwo sidinga ukuhlolwa ngamanzi i-UV amahora angu-5000, isinamathiseli sesakhiwo somkhiqizo we-junbond singadlula isivivinyo ngaphandle kwezinkinga. Kodwa-ke, kuye ngokuthi kuklanywe kanjani izinhlobo ezahlukene zezinamathiseli ze-silicone, mhlawumbe zicwiliswe emanzini izinyanga eziningana kuya eminyakeni eminingana, kuzothinta ukusebenza. Ezimweni zobunjiniyela bangempela, isinamathiseli se-silicone asifaneleki ukucwiliswa isikhathi eside endaweni ezungezile, njenge-aquariums kanye namanye amalunga angaphansi kwamanzi.
3. Ingabe inhlaka yesakhiwo sengilazi yeyunithi ingadlala indima yokuvala engangeni manzi?
Ukunamathela kwesakhiwo kwengilazi yeyunithi kungadlala indima ethile yokuvala okungangeni manzi. Kodwa-ke, ukwakheka kodonga lwekhethini, akukwazi ukuhlangabezana nezidingo zokuvala ezingangeni manzi, noma kudinga ukuthembela ku-sealant yesimo sezulu sangaphandle ukuze kuhlangatshezwane nezidingo zokuvala, kanye nokunamathela kwesakhiwo ukucwiliswa emanzini isikhathi eside nakho kuzothinta ukubopha kwayo, kunciphisa ukuphepha kodonga lwekhethini. Uma ukunamathela kwesakhiwo kusetshenziswa njengesivalo sezulu, amandla ayo okufuduka angase angakwazi ukuhlangabezana nezidingo zokususwa komthungo wodonga lwekhethini, ukuqina kokuvala akukuhle njenge-sealant yesimo sezulu ekhethekile.
Isikhathi sokuthunyelwe: Juni-02-2022