Ungayikhetha Kanjani I-PU Seaalant Elungile Ngezidingo Zakho

Ukukhetha i-PU sealant efanele kungenza umehluko uma kukhulunywa ngokuvala amalunga ezinhlelweni ezahlukahlukene. Noma ngabe usebenza kuphrojekthi ye-DIY noma umsebenzi wokwakha ochwepheshile, ukukhetha isivalo se-PU esilungile kubalulekile ukuze kube nomphumela oyimpumelelo. Ngenqwaba yezinketho ezitholakalayo emakethe, kungaba nzima ukunciphisa ukukhetha okungcono kakhulu kwezidingo zakho ezithile. Kulesi sihloko, sizokuqondisa ohlelweni lokukhetha uphawu lwe-PU olufanele lwezidingo zakho, sikusize wenze isinqumo unolwazi.

Ukuqonda ama-PU Sealants

Ama-PU sealants, noma ama-polyurethane sealants, ayizinto zokunamathisela ezilapha zibe into eguquguqukayo nehlala isikhathi eside lapho zivezwe kumswakama emoyeni. Avame ukusetshenziselwa ukuhlanganisa amalunga embonini yokwakha, yezimoto, yasolwandle, nezinye. Ama-PU sealants anikeza ukunamathela okuhle kakhulu ezinhlobonhlobo zama-substrates, kufaka phakathi ukhonkolo, insimbi, ukhuni, nepulasitiki. Ziphinde zinikeze ukumelana okuhle nesimo sezulu, emisebeni ye-UV, namakhemikhali, okuwenza afanelekele kokubili ukusetshenziswa kwangaphakathi nangaphandle. Ukuqonda izici nezakhiwo zama-PU sealants kubalulekile ekukhetheni umkhiqizo ofanele izidingo zakho ezithile.

Izinhlobo zama-PU Sealants

Kunezinhlobo ezahlukene zama-PU sealants atholakalayo emakethe, ngayinye yakhelwe izinhlelo zokusebenza nezimo ezithile. Ama-sealant engxenye eyodwa ye-PU afika elungele ukusetshenziswa futhi elapha lapho echayeka kumswakama osemoyeni, okwenza kube lula ukuwaphatha nokuwasebenzisa. Alungele ukuvala amalunga ekwakhiweni, kwezezimoto, nasezimbonini ezijwayelekile. Izigxivizo ze-PU ezinezingxenye ezimbili zihlanganisa ingxenye eyisisekelo kanye ne-ejenti yokwelapha okudingeka ixutshwe ngaphambi kokusetshenziswa. Banikeza amandla ebhondi amahle kakhulu nokuqina, okubenza bafanelekele izinhlelo zokusebenza ezisebenza kahle lapho kudingeka khona amandla amakhulu.

Izinto Okufanele Zicabangele

Lapho ukhetha i-PU sealant efanele ngezidingo zakho, izici ezimbalwa zidinga ukucatshangelwa. Lokhu kufaka phakathi uhlobo lwe-substrate oyibophelayo, izimo zemvelo i-sealant ezovezwa kuzo, isikhathi sokwelapha esifiswayo, kanye nendlela yokufaka isicelo. Kubalulekile ukukhetha i-PU sealant ehambisana ne-substrate material ukuqinisekisa ukunamathela okufanele nokubopha. Cabangela ububanzi bezinga lokushisa, ukuchayeka kwe-UV, kanye nezidingo zokumelana namakhemikhali zohlelo lwakho lokusebenza ukuze ukhethe isivalo esizohlinzeka ngokusebenza okuhlala isikhathi eside.

Izindlela Zokusebenza

Ama-PU sealants angasetshenziswa kusetshenziswa izindlela ezahlukahlukene, kufaka phakathi ama-cartridges, amasoseji, kanye nokupakishwa kwenqwaba. Ama-cartridges alungele amaphrojekthi amancane kuya kwaphakathi futhi angasakazwa kalula kusetshenziswa isibhamu se-caulking. Amasoseji alungele amaphrojekthi amakhulu futhi angasetshenziswa nesibhamu esikhiphayo ukuze asetshenziswe ngokunembile. Ukupakishwa kwenqwaba kulungele izinhlelo zokusebenza zevolumu ephezulu futhi kuvumela izixazululo zokusabalalisa ngokwezifiso. Khetha indlela yohlelo lokusebenza elula futhi ephumelelayo ngezidingo zakho zephrojekthi ethile.

Imikhiqizo Edumile Nezincomo

Kunemikhiqizo eminingana ehlonishwayo enikeza ama-PU sealants aphezulu wezinhlelo zokusebenza ezahlukahlukene. Eminye imikhiqizo edumile ihlanganisa iSika, iDAP, iLoctite, neTremco. Kunconywa ukuthi ufunde ukubuyekezwa futhi uqhathanise imikhiqizo evela kumikhiqizo ehlukene ukuze uthole i-PU sealant engcono kakhulu yezidingo zakho. Cabangela izici ezithile nezici zokusebenza ze-sealant ngayinye ukuze unqume inketho efaneleke kakhulu yohlelo lwakho lokusebenza. Ukwengeza, funa izeluleko kochwepheshe noma uthintane nomkhiqizi ukuze uthole isiqondiso ekukhetheni i-PU sealant efanele yephrojekthi yakho.

Sengiphetha, ukukhetha i-PU sealant efanele kubalulekile ekuzuzeni isibopho esivikelekile nesiqinile ezinhlelweni zokusebenza ezahlukahlukene. Ngokuqonda izakhiwo ze-PU sealants, ucabangela izici ezifana nokuhambisana kwe-substrate nezimo zemvelo, nokukhetha indlela efanele yokufaka isicelo, ungaqinisekisa umsebenzi wokuvala ophumelelayo. Thatha isikhathi sokucwaninga futhi uqhathanise imikhiqizo ehlukene ukuze uthole i-PU sealant ehamba phambili yezidingo zakho ezithile. Noma ngabe uvala amajoyinti ekwakheni, kwezezimoto, noma ezinhlelweni zasolwandle, ukukhetha isivali se-PU esifanele kuzokusiza uzuze imiphumela yobungcweti nokusebenza okuhlala isikhathi eside.