Iyini i-Polyurethane Sealant esetshenziselwa yona?
Isivali se-polyurethaneisetshenziselwa ukuvala nokugcwalisa izikhala, ukuvimbela amanzi nomoya ukuthi kungangeni emalungeni, ukwamukela ukunyakaza kwemvelo kwezinto zokwakha, nokuthuthukisa ukubukeka. I-Silicone ne-polyurethane yizinhlobo ezimbili ze-sealant ezisetshenziswa kabanzi.
Kuyinto eguquguqukayo evame ukusetshenziswa ekwakheni nasekukhiqizeni izinhlelo zokusebenza ezahlukahlukene ngenxa yokunamathela kwayo okuhle kakhulu, ukuguquguquka, kanye nokuqina. Nazi ezinye zezindlela eziyinhloko zokusebenzisai-pu sealant:
Amajoyinti Okuvala kanye Nezikhala:Ivame ukusetshenziselwa ukuvala amajoyinti kanye nezikhala ezintweni zokwakha, njengaphakathi kwamafasitela neminyango, ezakhiweni zekhonkrithi, kanye nasezindaweni ezizungezile izinto zokufaka amapayipi ukuvimbela ukungena komoya namanzi.
Ukuvikela isimo sezulu:Ama-polyurethane sealant ahlinzeka ngesithiyo esingamelani nesimo sezulu, okwenza abe mahle kakhulu ekusetshenzisweni kwangaphandle lapho ukuchayeka emswakama, ekukhanyeni kwe-UV, kanye nokushintshashintsha kwezinga lokushisa kuyinkinga.
Izicelo Zokunamathela:Ngaphezu kokuvala, izinto zokuvala i-polyurethane zingasebenza futhi njengezinamathelisi eziqinile zokubopha izinto ezahlukene, okuhlanganisa ukhuni, insimbi, ingilazi, kanye nepulasitiki.
Ukusetshenziswa Kwezimoto:Embonini yezimoto, ama-polyurethane sealant asetshenziselwa ukubopha nokuvala ama-windscreen, amaphaneli omzimba, nezinye izingxenye ukuthuthukisa ubuqotho besakhiwo nokuvimbela ukuvuza kwamanzi.
Ukwakhiwa Nokuvuselelwa:Zisetshenziswa kabanzi ekwakheni ukuvala uphahla, uthango, kanye nezisekelo, kanye nasemaphrojekthini okuvuselela ukugcwalisa izikhala kanye nemifantu ezindongeni nasezitezi.
Izicelo Zasolwandle:Ama-polyurethane sealant afanelekela izindawo zasolwandle, lapho asetshenziswa khona ukuvala nokubopha izingxenye ezikebheni nakwezinye izikebhe zamanzi, okunikeza ukumelana namanzi nosawoti.
Izicelo Zezimboni:Ezindaweni zezimboni, izivalo ze-polyurethane zisetshenziselwa ukuvala imishini, imishini, kanye nezitsha ukuvimbela ukuvuza nokuvikela ezicini zemvelo.
I-JUNBOND JB50 I-Adhesive ye-Polyurethane Yezimoto Esebenza Kakhulu
Ingcina yesikrini se-polyurethane ye-JB50iyi-glue enamandla aphezulu, i-modulus ephezulu, inhlaka ye-polyurethane yohlobo lokunamathela, ingxenye eyodwa, ukupholisa umswakama okushisa kwegumbi, okuqukethwe okuphezulu okuqinile, ukumelana nesimo sezulu okuhle, ukuqina okuhle, akukho zinto eziyingozi ezikhiqizwayo ngesikhathi sokuqina nangemva kokuqina, akukho ukungcola kwezinto eziyisisekelo. Ubuso bungapendwa futhi bungambozwa ngopende nezingubo ezahlukahlukene.
Ingasetshenziswa ekuhlanganiseni ngqo ama-windscreen ezimoto kanye nokunye ukubopha kwesakhiwo okunamandla aphezulu.
Ingabe i-Polyurethane Sealant Ingcono Kune-Silicone?
Ikhwalithi ephezulu kanye nokuqina okuthe xaxa kwama-polyurethane sealants kuwanika inzuzo encane kunezakhiwo ze-silicone ezihlala isikhathi eside.
Kodwa-ke, ukuthi i-polyurethane sealant ingcono yini kune-silicone sealant kuncike ekusetshenzisweni okuthile kanye nezidingo. Nazi ezinye umehluko obalulekile okufanele ucatshangelwe:
Ukunamathela: Izinto zokuvala ze-polyurethanengokuvamile zinamathela kangcono ezindaweni eziningi ezahlukahlukene, okuhlanganisa ukhuni, insimbi, kanye nokhonkolo, okwenza zifaneleke kakhulu ekusetshenzisweni okunzima.
Ukuzivumelanisa nezimo:Zombili izivalo zokuvala zinikeza ukuguquguquka, kodwa i-polyurethane ivame ukuba nokunwebeka kakhudlwana, okuvumela ukuthi imunce ukunyakaza kangcono, okuzuzisa ezindaweni ezikhuliswayo futhi ezinciphayo.
Ukuqina:Ama-polyurethane sealant avame ukuqina kakhulu futhi amelana nokuguguleka, amakhemikhali, kanye nokuchayeka ku-UV, okwenza abe afanele ukusetshenziswa ngaphandle nasezimbonini.
Ukumelana Namanzi:Zombili izinhlobo zinikeza ukumelana okuhle kwamanzi, kodwa izivalo ze-polyurethane zivame ukusebenza kangcono ezimweni ezimanzi futhi zingamelana nokuchayeka isikhathi eside emswakama.
Isikhathi Sokuphulukisa:Ama-sealant e-silicone avame ukuphola ngokushesha kune-polyurethane sealants, okungaba yinzuzo kumaphrojekthi athinta isikhathi.
Ubuhle:Ama-sealant e-silicone atholakala ngemibala ehlukahlukene futhi angaba mnandi kakhulu ekusetshenzisweni okubonakalayo, kuyilapho ama-sealant e-polyurethane angadinga ukupenda ukuze abukeke kahle.
Ukumelana Nokushisa: Ama-silicone sealant ngokuvamile anokumelana okungcono nokushisa okuphezulu, okwenza afaneleke ukusetshenziswa lapho evezwe ekushiseni okukhulu.
Isivalo Sefasitela Se-JUNBOND JB16 Polyurethane
I-JB16 iyi-polyurethane adhesive enesici esisodwa enobuthi obuphakathi kuya kobukhulu kanye namandla aphakathi kuya kobukhulu. Ine-buthi obuphakathi kanye ne-thixotropy enhle yokwakha kalula. Ngemva kokuqina, inamandla aphezulu okubopha kanye nezakhiwo ezinhle zokuvala eziguquguqukayo.
Isetshenziselwa ukuvala izibopho ezinwebekayo zaphakade zamandla okubopha ajwayelekile, njengokubopha i-windshield yezimoto ezincane, ukubopha isikhumba sebhasi, ukulungisa i-windshield yezimoto, njll. Izinto ezisetshenziswayo zifaka ingilazi, i-fiberglass, insimbi, i-aluminium alloy (kufaka phakathi okupendiwe), njll.
Ingabe i-Polyurethane Sealant Ihlala Njalo?
I-polyurethane sealant yaziwa ngokuqina kwayo kanye nokunamathela kwayo okuqinile, i-polyurethane caulk sealant yethu eguquguqukayo ihlala njalo, ayidabuki, futhi igcina ukusebenza kwayo ngisho noma ivezwe emisebeni ye-UV.
I-polyurethane sealant yoma ibe yisiphetho esiqinile nesihlala isikhathi eside. Uma isilungisiwe, yakha isibopho esiqinile nesiqinile esingamelana nokucindezeleka okuhlukahlukene kanye nezimo zemvelo. Kodwa-ke, ibuye igcine ukuguquguquka okuthile, okuvumela ukuthi ivumelane nokunyakaza ezintweni ezivalayo. Lokhu kuhlanganiswa kobulukhuni kanye nokuguquguquka kwenza i-polyurethane sealant ifanelekele ukusetshenziswa okubanzi.
Isikhathi sokuthunyelwe: Novemba-23-2024