I-Sealant ibhekisa kwisixhobo sokutywina esitshintshatshintshayo ngokwemilo yomphezulu wokutywina, esingahambi lula, kwaye sinamathela ngendlela ethile.
Sisincamathelisi esisetyenziselwa ukugcwalisa izikhewu zokumisela ukuvala. Sinemisebenzi yokulwa nokuvuza, ukungangeni manzi, ukuthintela ukungcangcazela, ukuthintela isandi kunye nokuthintela ubushushu. Ngokwesiqhelo, izinto ezomileyo okanye ezingomiyo ezifana ne-asphalt, i-resin yendalo okanye i-resin yokwenziwa, irabha yendalo okanye irabha yokwenziwa zisetyenziswa njengezinto ezisisiseko, kwaye kongezwa izinto zokuzalisa ezingasebenziyo ezifana ne-talc, udongwe, i-carbon black, i-titanium dioxide kunye ne-asbestos. Iiplastiki, izinyibilikisi, ii-curing agents, ii-accelerators, njl. Ingahlulwahlulwa ibe ziindidi ezintathu: i-elastic sealant, i-liquid sealing gasket kunye ne-sealing putty. Isetyenziswa kakhulu ekuvalelweni kolwakhiwo, uthutho, izixhobo ze-elektroniki kunye neendawo.
Kukho iintlobo ezininzi zezitywini: Izitywini zeSilicone, izitywini zepolyurethane, izitywini zepolysulfide, izitywini zeacrylic, izitywini ze-anaerobic, izitywini ze-epoxy, izitywini ze-butyl, izitywini ze-neoprene, izitywini ze-PVC, kunye nezitywini ze-asphalt.
Iimpawu eziphambili ze-sealant
(1)Inkangeleko: Inkangeleko yesitywina ixhomekeke kakhulu kukusasazeka kwesigcwalisi kwisiseko. Isigcwalisi singumgubo oqinileyo. Emva kokuba sisasazwe ngumxovuli, umtshini wokusila kunye nomatshini weplanethi, singasasazwa ngokulinganayo kwirabha yesiseko ukuze senze intlama ecolekileyo. Inani elincinci leencindi ezincinci okanye isanti liyamkeleka kwaye liqhelekile. Ukuba isigcwalisi asisasazwanga kakuhle, kuya kuvela amasuntswana amaninzi arhabaxa. Ukongeza ekusasazekeni kwezigcwalisi, ezinye izinto ziya kuchaphazela imbonakalo yemveliso, njengokuxuba ukungcola kwamasuntswana, ukugquma, njl. Ezi meko zithathwa njengezirhabaxa ngenkangeleko.
(2) Ubulukhuni
(3) Amandla okuxinana
(4) Ukwandiswa
(5) Imodulus yokuThamba kunye nokukwazi ukufuduka
(6) Ukunamathela kwi-substrate
(7) Ukukhupha: Oku kukusebenza kokwakhiwa kwe-sealant Into esetyenziselwa ukubonisa ubunzima be-sealant xa isetyenziswa. I-glue etyebileyo kakhulu iya kuba ne-extrudability embi, kwaye kuya kuba nzima kakhulu ukuncamathisela xa isetyenziswa. Nangona kunjalo, ukuba i-glue yenziwe ibe ncinci kakhulu xa ucinga nje nge-extrudability, iya kuchaphazela i-thixotropy ye-sealant. Ukukhupha kungalinganiswa ngendlela echazwe kumgangatho wesizwe.
(8) Thixotropy: Le yenye into yokusebenza kokwakhiwa kwe-sealant. Thixotropy ichasene nokugeleza kwamanzi, oko kuthetha ukuba i-sealant inokutshintsha kuphela imo yayo phantsi koxinzelelo oluthile, kwaye inokugcina imo yayo xa kungekho mandla angaphandle. imo ngaphandle kokugeleza. Ukugqitywa kokuwa okuchazwe ngumgangatho wesizwe kukugweba kwe-thixotropy ye-sealant.
Ixesha lokuthumela: Novemba-04-2022