Ngaphaya kweSilicone Yintoni onokuyisebenzisa kwiSitywina esingangeni manzi

Ixesha lokujonga ngaphaya kweSilicone Sealant

I-Silicone sisitywina esithembekileyo, kodwa iimfuno ezithile zeprojekthi zihlala zifuna isisombululo esahlukileyo. Ukuguquguquka kwemarike kwakutshanje nako kukhokelela kolu tshintsho. Ukuphazamiseka okukhulu kwekhonkco lokubonelela ngo-2021 kubangele ukuba amaxabiso e-silicone anyuke ngama-300% kwisithuba esingaphantsi kweenyanga ezimbini, nto leyo eyanyanzela iingcali ezininzi ukuba zihlole ezinye iindlela ezizinzileyo nezisebenza kakuhle. Izinto ezifana nokwahlulwa kwamandla eTshayina, evelisa uninzi lwesinyithi se-silicon kwihlabathi, kunye nokulibaziseka kwezixhobo zehlabathi kudale isiphepho esigqibeleleyo. Le ndawo igxininise imfuneko yezitywina eziguquguqukayo ezisombulula iingxaki ngaphaya kokufumaneka nje.

Iprojekthi Yakho Ifuna Ukupeyintwa

Esinye sezizathu eziqhelekileyo zokukhetha enye indlela kukufuneka komphezulu opeyintwayo. Izitywini ze-silicone eziqhelekileyo zisekelwe kwi-silicone, oko kuthetha ukuba ziyawagxotha amanzi kwaye, ngelishwa, ipeyinti. Ipeyinti ayinamatheli kakuhle kwi-silicone bead evuvukileyo, nto leyo ekhokelela ekuqhekekeni, ekuqhekekeni, nasekugqityweni okungekho ngcali.

Ingcebiso yobungcali:Kwisitywini esingenamthungo nesihambelana nombala kwi-trim, siding, okanye eludongeni, isitywini esipeyintwayo asinakuxoxiswana ngaso. Iipolymers ezixutyiweyo kunye nezinye iipolyurethanes zenziwe ngokukodwa ukuze zipeyintwe kakhulu emva kokulungiswa.

Ufuna Amandla Aphezulu Nokuqina

Ukusetyenziswa kwezakhiwo nemizi-mveliso kudla ngokufuna okungaphezulu nje komqobo ongenamanzi. Zifuna i-sealant enegalelo kwisakhiwo sejoyinti. Ezinye iindlela ezifana ne-polyurethane ziyagqwesa kwezi meko, zinika amandla aphezulu okuxinana kunye nokumelana nokukrala xa kuthelekiswa ne-silicone. Oku kuzenza zilungele iindawo ezinabantu abaninzi, iindawo zokwandisa, kunye nokusetyenziswa apho ukusebenza okuphezulu kwemozulu kubaluleke kakhulu. Ngelixa i-polyurethane inika amandla amakhulu, abanye abasebenzisi baphawula iinkxalabo zempilo ezinxulumene nomxholo wayo we-isocyanate ngexesha lokusetyenziswa, okwenza ukuphathwa ngokufanelekileyo kube yimfuneko.

Utywina Izinto Ezingafaniyo

Iiprojekthi zihlala ziquka ukudibanisa iintlobo ezimbini ezahlukeneyo zezinto, ezifana neefreyimu zeefestile zevinyl eludongeni lwekhonkrithi okanye uthango lomthi ukuya kwi-siding yesinyithi. Ezi zinto ziyanda kwaye zinciphe ngamanani ahlukeneyo ngotshintsho lobushushu. Ii-polyurethane ezininzi kunye ne-hybrid polymer sealants zibonelela ngokunamathela okuphezulu kunye nokukwazi okukhulu kokuhamba kwamalungu. Oku kuguquguquka kuzivumela ukuba zigcine unxibelelwano oluhlala ixesha elide, olungangeni manzi phakathi kwe-substrates ezahlukeneyo ngaphandle kokuqhekeka okanye ukutsaleka, okuqinisekisa utywino oluhlala ixesha elide noluthembekileyo.

Ufuna Ukumelana Okungcono Kwe-UV okanye Iikhemikhali

Izitywini ze-silicone eziqhelekileyo zisebenza kakuhle kwiimeko ezininzi, kodwa zinobuthathaka. Ukuvezwa ixesha elide elangeni ngqo kunye neekhemikhali ezinobungozi kunokubangela ukuba zonakale. Imitha ye-Ultraviolet (UV) evela elangeni iyawuqhekeza ulwakhiwo lwe-polymer kwezinye ii-silicone. Le nkqubo ikhokelela ekubeni tyheli, itshixeke, kwaye ekugqibeleni iqhekeke, nto leyo ebeka emngciphekweni isitywini esingangeni manzi. Kwiiprojekthi ezijongene nokudibana nelanga rhoqo okanye neekhemikhali, isisombululo esomeleleyo siyafuneka.

Iipolymers ezixutyiweyo kunye nee-polyurethane sealants zibonelela ngokuqina okuphezulu kwezi meko zinzima. Zenzelwe ngokukodwa ukumelana noxinzelelo lwendalo olubangela ukuba ezinye ii-sealants zingasebenzi.

·Ukuxhathisa ii-UV:Izitywini zeHybrid (MS Polymer) zilukhetho oluhle kakhulu kwiindlela zangaphandle. Zineziqinisi ze-UV ezithintela ukutshintsha kombala nokuwohloka kwelanga. Oku kuzenza zilungele ukuvala iifestile, iingcango, kunye neendonga ezichatshazelwe lilanga elinamandla, ukuqinisekisa ukuba isitywini sihlala siguquguquka kwaye singaguquki kangangeminyaka.

·Ukumelana neekhemikhali:Izitywini zepolyurethane zibonelela ngokuqina okumangalisayo ngokuchasene nokuchitheka kweekhemikhali. Zimelana nomonakalo ovela kumafutha, iioyile, izinyibilikisi, kunye neearhente zokucoca eziqatha. Oku kuzenza zibe lolona khetho lukhethwayo lokuvala iijoyinti kwiikhitshi zorhwebo, kwiigaraji zeemoto, kwimigangatho yefektri, nakwezinye iindawo zoshishino apho ukudibana kweekhemikhali kuxhaphakileyo.

·Ukukhetha isitywini esineprofayili yokumelana efanelekileyo lutyalo-mali lwexesha elide. Kuthintela ukonakala kwangethuba, kunciphisa iindleko zokugcinwa, kwaye kuqinisekisa ukuthembeka kwesakhiwo ngokuhamba kwexesha. Isitywini esonakala kwangethuba sifuna ukususwa okubizayo kunye nokuphinda sisetyenziswe, okwenza ukhetho lokuqala lwezinto zokwakha lube lolona lubalulekileyo kwimpumelelo yeprojekthi.

Ukuqonda ii-Polyurethane Sealants (PU)

Izitywini zePolyurethane (PU)zizinto zokuncamathelisa ezinamandla, eziphilisa umswakama ezaziwa ngokuba namandla azo okuqina kunye nokukwazi kwazo ukubopha ngokuqinileyo. Iingcali zihlala zizikhetha kwimisebenzi yokwakha enzima kunye neyemizi-mveliso apho ukusebenza koomatshini kubaluleke kakhulu. Ulwakhiwo lwazo olukhethekileyo lweekhemikhali lubonelela ngesitywina esiqinileyo kodwa esiguquguqukayo esimelana noxinzelelo olukhulu.

Iingenelo eziphambili zePolyurethane

Iisealants zePolyurethane zinika indibaniselwano eyahlukileyo yamandla kunye nokuthamba. Ikhonkco labo lepolymer liqulathe zombini iindawo eziqinileyo nezithambileyo. Olu yilo lwenza imveliso ehlala ixesha elide kwaye iguquguquka, nto leyo eyenza ukuba ibe lolona khetho luphezulu kwimisebenzi enzima yokutywina. Iingenelo eziphambili ziquka:

·Ukuncamathela okungaqhelekanga:Izitywini ze-PU zinamathela kakhulu kwizinto ezininzi zokwakha. Zinamathelana kakuhle kakhulu kwiindawo ezinemingxuma ezifana nekhonkrithi, udonga, kunye nomthi.

·Ukuthamba okuphezulu:Ezi zitywini zivumela intshukumo ebalulekileyo yamalungu ngenxa yotshintsho lobushushu, umoya, okanye ukungcangcazela. Oku kuguquguquka kuthintela isitywini ukuba singaqhekeki okanye singaphumeleli ngokuhamba kwexesha.

Olu dibaniselwano luqinisekisa ukuba itywina elihlala ixesha elide, elingangeni manzi nokuba likwiindawo eziguquguqukayo.

Imida kunye noLawulo

Nangona zinamandla, izitywini ze-polyurethane zinemfuno ezithile zokuphatha. Ziqulethe ii-isocyanates, ezinokubangela ukucaphuka ngaphambi kokuba isitywini siphole ngokupheleleyo. Izixhobo ezifanelekileyo zokuzikhusela (PPE), kubandakanya iiglavu kunye neeglasi zokhuseleko, zibalulekile. Umoya ococekileyo kwindawo yokusebenza nawo ubalulekile ngexesha lokufaka. Ukongeza, izitywini ze-PU eziqhelekileyo zinokuba sesichengeni sokuwohloka kwe-UV ngokuhamba kwexesha, okunokubangela ukubola okanye ukubola ngaphandle kokuba zipeyintwe okanye zenziwe ngokukodwa ngezithinteli ze-UV.

Ukhuseleko Kuqala:Soloko uhlola iSafety Data Sheet (SDS) yemveliso phambi kokuba uyisebenzise. Olu xwebhu luchaza iinkqubo ezithile zokuphatha kunye namanyathelo okhuseleko ukuqinisekisa ukusetyenziswa kwayo ngokukhuselekileyo.

Izicelo ezilungileyo ze-PU Sealants

Amandla aphezulu kunye nokuguquguquka kwe-polyurethane kuyenza ilungele ukusetyenziswa ngokushukuma okuphezulu kunye nolwakhiwo. Igqwesile ekutywineni amalungu okwandisa afumana uxinzelelo oluqhubekayo. Umzekelo, ii-PU sealants zisetyenziswa kwiindawo zokwandisa iibridge, apho zinokunciphisa uxinzelelo ngaphezulu kwe-35% kwaye ziphucule kakhulu ubomi benkonzo yelungu. Ezinye iindlela eziqhelekileyo zokusetyenziswa ziquka:

·Igaraji yokupaka kunye neendawo zokwandisa indlela

·Iindawo zokulawula iindlela zokuhamba ngeenyawo kunye neendlela zokungena

·Umgangatho wemizi-mveliso

·Ukuvalwa kweperimeter yeefestile neengcango ezenziwe ngomthi

Kwezi ndawo, i-polyurethane ithintela ukungena kwamanzi okukhokelela ekonakaleni kwesakhiwo kunye nokugqwala.

Ukuhlola izitywino zeHybrid Polymer (MS Polymer)

Iipolymers ezixutyiweyo zimele inkqubela phambili ebalulekileyo kubuchwepheshe be-sealant. Ezi zinto, ezidla ngokubizwa ngokuba yi-MS Polymers okanye i-Silyl-Terminated Polyethers (STPE), zibonelela ngolungelelwano olulodwa lweempawu zokusebenza. Zenzelwe ukoyisa imida ye-sealants yendabuko.

Eyona Ilungileyo Kwiihlabathi Zombini

Ii-sealants ze-hybrid zidibanisa ngempumelelo iipropati ezinqwenelekayo ze-polyurethane kunye ne-silicone kwimveliso enye. Lo mxube we-synergistic udala isisombululo esiguquguqukayo nesihlala ixesha elide kwimisebenzi eyahlukeneyo yokutywina.

·Zinika ukuqina okugqwesileyo kunye nokupeyintwa kwe-polyurethane.

·Zibonelela ngokumelana okuphezulu kwe-silicone kunye nokumelana ne-UV.

Olu didi lunika iingcali isitywini esisebenza kakuhle esingabanyanzeliyo ukuba bakhethe phakathi kwamandla kunye nokumelana nemozulu.

Kutheni iHybrids Excel

Ukusebenza okugqwesileyo kweepolymers ezixutyiweyo kuvela kwikhemistri yazo eyahlukileyo. Zakhiwe kwi-silyl-modified polyether (SMP) backbone. Olu lwakhiwo luyaphilisa xa kukho umswakama, lwenza iibhondi ze-siloxane eziqinileyo neziguquguqukayo ngaphandle kokukhupha iimveliso eziyingozi. Le nkqubo izenza zibe lukhetho olunobuhlobo nokusingqongileyo.

Ukukhetha Okunobuhlobo Nokusingqongileyo 

Iipolymers ze-hybrid zenziwe ngaphandle kwe-isocyanates kunye nezinyibilikisi. Oku kubangela ukuba kubekho ukukhutshwa okuphantsi kakhulu kweVolatile Organic Compound (VOC), nto leyo eyenza ukuba zikhuseleke ngakumbi kubafaki kunye nabahlali bezakhiwo.

Ukwenziwa kwazo okuphucukileyo kunika ukunamathela okunamandla phantse kuyo nayiphi na i-substrate, kuquka neendawo ezimanzi. Zihlala ziguquguquka ngokusisigxina, zifunxa ukungcangcazela, kwaye ziyamelana nokuncipha okanye ukuqhekeka ngokuhamba kwexesha.

Ukusetyenziswa Okuqhelekileyo KweePolymers Ezixutyiweyo

Ukuguquguquka kwee-polymers ezixutyiweyo kuzenza zilungele ukusetyenziswa kwangaphakathi nangaphandle okuninzi. Zibalasele ekudaleni izitywino ezihlala ixesha elide nezingenamoya eziphucula ukusebenza kakuhle kwamandla kwaye zikhusela izakhiwo kwizinto eziphilayo. Ukusetyenziswa okuqhelekileyo kuquka:

·Ukuvala iifestile neengcango

·Iijoyinti ezikwicala kunye ne-trim

·Ukulungiswa kophahla kunye nemibhobho yamanzi

·Iiphaneli ezinamathelayo kunye nezixhobo

Ukukwazi kwabo ukudibanisa izinto ezahlukeneyo kubenza babe sisisombululo esifanelekileyo kwiiprojekthi zokwakha zanamhlanje.

Ukukhetha enye indlela yeSilicon Sealant engangeni manzi

Ukukhetha isitywini esifanelekileyo kubalulekile kwisiciko esingangeni manzi esihlala ixesha elide. Izinto osebenza ngazo zichaza imveliso efanelekileyo yomsebenzi. Indlela engcono yokusebenza kunesiqhelo.I-Silicon Sealant engangeni manziiya kubonelela ngokunamathela okuphezulu, ukuguquguquka, kunye nobude bexesha xa ifaniswe nomphezulu ofanelekileyo.

Kwikhonkrithi kunye noButyebi

Iisealants zePolyurethane zezona zikhethwa kakhulu kwikhonkrithi kunye nokwakha. Ezi zinto zinemingxuma zifuna isitywini esinokwenza ikhonkco eliqinileyo nzulu ngaphakathi kumphezulu. IPolyurethane igqwesile koku, inika ukunamathela okugqwesileyo kunye nokuqina. Ifanelekile kwiindawo zokwandisa nokuhamba okuphezulu kunye neendawo zokulawula ezifumaneka kwiindlela zokuhamba, kwiindlela zokungena, nakwiziseko. Ezi ndawo zokudibanisa ziyanda kwaye zinciphe ngokutshintsha kobushushu, kwaye ukuguquguquka kwepolyurethane kuthintela isitywini ukuba singaqhekeki phantsi koxinzelelo.

Ukuze ufumane iziphumo zobungcali, khangela iimveliso ezihlangabezana nemigangatho ephambili yoshishino. Ezi nkcukacha ziqinisekisa ukuba isitywini sivavanyiwe ukusebenza phantsi kweemeko ezinzima.

·ASTM C920:Inkcazo esemgangathweni yee-Elastomeric Joint Sealants

·ASTM C1193:Isikhokelo Esisemgangathweni Sokusetyenziswa Kwezitywini Ezidibeneyo

·ASTM C1472:Isikhokelo Esisemgangathweni Sokubala Intshukumo Nezinye Iziphumo Xa Useka Ububanzi Bejoyinti Yesitywina

Ukuvezwa kweMveliso:Kwimifantu ethe nkqo, isitywini esingagobiyo esifanaI-Sikaflex® + Ukulungiswa kweConcreteifanelekile kuba ayizukuvuza okanye ihambe. Kwiindawo ezithe tye ezifana neendlela zokungena, imveliso ezizilinganisayo efanaIsitywina sekhonkrithi esizilinganiselayo seLoctite PL or Isitywina sokuzilinganisa seSikaflexizalisa iintanda ngokulula kwaye idale ukugqitywa okugudileyo nokulinganayo.

Ukuhlobisa kunye nokuHlunga iinkuni

Umthi yinto yendalo ehambayo, efunxa umswakama, kwaye ifuna ukupeyintwa ukuze ikhuseleke. Ngenxa yezi zizathu, isitywini esiguquguqukayo nesipeyintwayo sikhetho olungcono kunesiqheloI-Silicon Sealant engangeni manzi. Izitywini ze-polymer ezihlanganisiweyo ziyindlela entle kakhulu yokuhlobisa nokulungisa iinkuni. Zincamathela ngokuqinileyo, zihlala ziguquguquka rhoqo ukuze zilungele ukuhamba komthi, kwaye zibonelela ngomphezulu opeyintwayo ngokugqibeleleyo ukuze ugqitywe kakuhle.

Ukukhethwa kwe-sealant kuchaphazela ngokuthe ngqo ubomi bomthi wangaphandle, obunokuhlala iminyaka emi-4 ukuya kwemi-5 ukuba ivalwe ngokuchanekileyo. I-sealant idala umqobo ongangeni manzi nxamnye nokufuma, ukungunda, kunye nemitha ye-UV.

Icebiso Elihle: Khulisa Ubomi Bokusika
Ukuqinisekisa ukuba uphahla lwakho lwangaphandle lomthi luhlala ixesha elide kangangoko kunokwenzeka, landela la manyathelo:

1. Hlobisa onke amacala amathandathu omthi nge-primer esekwe kwioyile.

2.Faka i-trim uze ufake i-hybrid okanye i-polyurethane sealant esemgangathweni ophezulu kwiindawo zokudibanisa.

3. Faka ipeyinti yangaphandle eqinileyo njengengubo ephezulu. Ukuze ukhuseleke ngakumbi, gqiba kakuhleI-Minwax Helmsman Spar Urethaneingakhusela umthi elangeni nasemanzini.

Kwizijikelezo zeMetal, Vinyl, kunye neeFestile

Ukuvala izixhobo zokwakha zanamhlanje ezifana neefestile zevinyl kunye nophahla lwentsimbi olugqunywe ngentsimbi okanye i-siding kunika umngeni okhethekileyo. Ezi ndawo zingenamibhobho, zityibilikayo zihlala zinezigqubuthelo ezikhethekileyo ezifana neKynar® ezenzelwe ukukhupha amanzi kunye nokungcola. I-sealant eqhelekileyo inokuba nzima ukufezekisa ukubopha okuhlala ixesha elide kwezi zinto.

Kulapho izitywini ze-polymer ezixutyiweyo zibonisa khona ikhemistri yazo ephucukileyo. Zenzelwe ngokukodwa ukunamathela ngamandla kwiintlobo ngeentlobo zezixhobo ezinzima, kuquka iiplastiki kunye neentsimbi ezigqunyiweyo. Ukwenziwa kwazo kuqinisekisa isitywini esiqinileyo, esimelana nemozulu esingayi kushenxa okanye siphele ngokuhamba kwexesha. Oku kuzenza zibe lukhetho oluphezulu kune-Silicon Sealant yesiqhelo engangeni manzi kwezi zicelo zinzima.

Jonga iphepha leenkcukacha:Soloko uqinisekisa ukuba isitywina siyahambelana nezinto ezigqunyiweyo.I-Bostik Pro-MS 50zenzelwe iintsimbi ezigqunywe yiKynar®, ngelixaI-Bostik DUO-SIL Ultraidwelisa ngokucacileyo ukunamathela kwi-Kynar® kunye ne-PVC substrates, nto leyo eyenza ukuba zilungele iiperimeters zefestile ye-vinyl.

Kwizinto zePlastiki kunye nePVC

Iiplastiki kunye nePVC (i-polyvinyl chloride) zizinto ezintsonkothileyo kakhulu kwiindawo ezininzi ezitywinayo. Ubume bazo obuthambileyo, obungenamibhobho bunokuthintela ukubopha okuqinileyo, okukhokelela ekungasebenzini kokuvala kwangaphambi kwexesha. Nangona iSilicon Sealant engangeni manzi eqhelekileyo inokubonakala ngathi yindlela ekhawulezileyo yokulungisa, i-hybrid polymer sealants inikezela ngesisombululo esithembekileyo nesihlala sihleli. Ukwakheka kwazo okuphucukileyo kweekhemikhali kwenziwe ngendlela yokuba zenze ukubopha okunamandla, okuhlala ixesha elide ngezi zinto zithambileyo.

Ukulungiswa komphezulu ngendlela eyiyo yeyona nto ibalulekileyo ukuze uphumelele xa utywina iibhodi ze-PVC kunye nezinye izinto zeplastiki. Ukulandela inkqubo echanekileyo kuqinisekisa ukuba i-sealant inamathela ngokuchanekileyo kwaye igcina ukuthembeka kwayo.

Iprotocol yokuQala iPriming yePVC
Ukuze kufunyanwe uphawu lwe-vinyl okanye lwe-PVC olusemgangathweni ophezulu, abafaki kufuneka balandele la manyathelo abalulekileyo:

1. Qinisekisa ukuba i-substrate iphilile ngokwesakhiwo, yomile, kwaye icocekile.

2. Susa zonke izinto ezingcolisayo ezifana nokungcola, ioyile, igrisi, ipeyinti endala, okanye intsalela yesitywina.

3. Faka iprimer ekhethekileyo, efanaI-Sika® Primer-173 or I-Sikaflex® Primer-449, kumphezulu wevinyl.

4. Sebenzisa ibrashi okanye ilaphu elicocekileyo ukufaka ulusu olukhaphukhaphu nolulinganayo lweprimer xa iqine ngokupheleleyo.

5. Vumela i-primer ingabi nazikhonkwane ngaphambi kokuba ufake i-sealant. Ixesha elithile lokomisa lifumaneka kwiPhepha leDatha yeMveliso ye-primer.

6. Gqibezela imisebenzi yokuprima nokuvala ngemini enye ukuze ufumane iziphumo ezilungileyo.

Kwiindawo ezimanzi zangaphakathi ezifana neekhitshi kunye neebhafu

Iindawo ezimanzi ngaphakathi zifuna izinto zokuvala ezingasebenzi nje kuphela ekuvaleni amanzi. Kufuneka zikwazi ukumelana nokungunda, ukubola, kwaye, ekhitshini, zikhuseleke ekugutyungelweni kukutya.

Kwiikhitshi zorhwebo, izinto zokutywina ezikhuselekileyo ekutyeni azikhethwa nje kuphela; ziyimfuneko. Iiarhente ezifana ne-FDA zilawula ezi mveliso ukuqinisekisa ukuba azinatyhefu kwaye azifaki iikhemikhali eziyingozi ekutyeni. Izinto zokutywina ze-silicone ezikumgangatho wokutya, ezifanaIKHITSHINI YORHWEBO YEDAP 100% SILICONE, baqinisekisiwe ukuba bayahlangabezana nemigangatho efanaUmgangatho we-NSF/ANSI #51Esi siqinisekiso sizenza zikhuseleke ekudibaneni kokutya ngengozi emva kokuba zicociwe kwaye zihlanjiwe. Ezi zitywini zenza izitywini eziqinileyo nezingenamanzi ezijikeleze iindawo zokulungiselela kunye nezixhobo ngelixa zichasa ukukhula kweebhaktheriya.

Kwizindlu zangasese, utshaba oluphambili kukubola kunye nokubola. Izitywini ze-polymer ezihlanganisiweyo ziyindlela ebalaseleyo yokuvala iishawa, iibhafu kunye neesinki. Iimveliso ezifanaIsitywini sekhitshi kunye nebhafu se-DAP AMPzenzelwe ngokukodwa ezi ndawo zinomswakama ophezulu. Olu hlobo lwesitywini alunamanzi ngokupheleleyo, lunokusetyenziswa kwiindawo ezimanzi, kwaye lome kancinci kwimizuzu engama-30. Eyona nto ibalulekileyo sisiqinisekiso sobomi bonke sokukhusela ukukhula kwesikhunta kunye nokubola, okugcina isitywini sibonakala sicocekile iminyaka. Ezinye iindlela ezilungileyo ziquka ii-caulks ze-acrylic-latex ezifakwe i-siliconized ezifanaIiplamba zeHercules® Caulk™, ezibonelela ngesitywino esiguquguqukayo, esihlala ixesha elide, nesingenamanzi esifanelekileyo kwizixhobo zokuhlambela.

Ezinye iindlela ezikhethekileyo zeSealant

Ngaphandle kwe-polyurethane kunye nee-polymers ezixutyiweyo, izitywini ezikhethekileyo ezininzi zibonelela ngezisombululo ezizodwa kwimingeni ethile. Ezi mveliso zibonelela ngokusebenza okujoliswe kuko apho ukhetho oluqhelekileyo lunokungaphumeleli. Ukuqonda amandla azo kunceda iingcali zikhethe izinto ezifanelekileyo kulo naliphi na umsebenzi.

Izitywino zeRubber zeButyl

Izitywini zerabha ze-Butyl zizinto zokuncamathelisa ezingatshiyo, ezihlala zinamathela ezifumaneka kwi-tape okanye kwi-caulk. Amandla azo aphambili kukudala isitywini esikhawulezileyo nesingenamanzi ngokuncamathelisa. Oku kuzenza zibe lukhetho oludumileyo kwiintlobo ngeentlobo zezicelo.

·Ulwakhiwo:Iingcali zisebenzisa iteyiphu ye-butyl ukuvala iindawo zophahla, ii-flanges zefestile, kunye nokungena kwepayipi.

·Iimoto kunyeUlwandle:Iyawavala amanzi kwiingcango zeemoto kunye neezibane zemoto kwaye ivala iindawo zokudibanisa iinqanawa.

·Indlu:Iluncedo ekulungiseni ukuvuza okungxamisekileyo nakwezinye iiprojekthi ze-DIY.

Nangona kunjalo, irabha ye-butyl inemida. Ayisebenzi kakuhle kumaqondo obushushu aphezulu angaphezu kwe-100°C kwaye inokonakala xa ibekwe kwioyile okanye kwizinyibilikisi ezinamandla. Ukunamathela kwayo kakhulu kwenza kube nzima ukuyisusa, kudla ngokushiya intsalela eqinileyo.

Iitheyiphu zeFoam eziDityanisiweyo kwangaphambili

Iitheyiphu zefoam ezicinezelwe kwangaphambili zibonelela ngendlela entsha yokuvala amalungu. Ezi theyiphu zenziwe ngefoam evulekileyo efakwe i-acrylic resin enamathelayo. Zifika kwi-roll zikwimeko yokucinezelwa. Emva kokusetyenziswa, itheyiphu iyanda kancinci kancinci ukuze izalise ngokupheleleyo izikhewu, imifantu, kunye neendawo ezingalinganiyo.

La mandla agciniweyo adala uxinzelelo oluqhubekayo olubuyela umva ngokuchasene neziseko. Uxinzelelo, oludityaniswe neglu, lwenza isitywino esisebenza kakuhle nesihlala ixesha elide. Iteyiphu igcina unxibelelwano nangona izixhobo zokwakha zisanda kwaye zincipha xa kutshintshwe ubushushu. Ibonelela ngesitywino esifanelekileyo semozulu ngokuchasene nemvula eqhutywa ngumoya kwaye iyakwazi ukungena ngomphunga, ivumela ukufuma ukuba kuphume.

IiCaulks zeLatex zeAcrylic eziPhambili

Ii-acrylic eziphucukileyo ze-latex caulks, ezidla ngokubizwa ngokuba zii-acrylics "ezifakwe i-siliconized", zibonelela ngophuculo olukhulu kuneemveliso ze-acrylic eziqhelekileyo. Ukongezwa kwe-silicone kuphucula ukusebenza ngelixa kugcina iimpawu ezilungileyo ze-acrylics, njengokucocwa kwamanzi okulula kunye nokupeyintwa kakuhle.

Eyona nto iphambili kukuphucula ukuguquguquka kunye nokumelana okungcono kwamanzi. Nangona ingenamanzi ngokupheleleyo njenge-silicone ecocekileyo, i-acrylic eyenziwe nge-silicon inika ukhuseleko olufanelekileyo kwiindawo ezimanzi zangaphakathi kunye nokusetyenziswa kwangaphandle okukhuselekileyo. Ikwancipha ngaphantsi kwe-acrylic caulk eqhelekileyo, nto leyo enciphisa amathuba okutsalwa kwesitywina kwijoyinti ngokuhamba kwexesha.

Ukunyusa Ukusebenza
Xa kuthelekiswa nee-acrylics eziqhelekileyo, iinguqulelo ze-siliconized zibonelela:

·Ukuguquguquka Okuphuculweyo:Amandla okushukuma ayanda ukusuka ku-±7.5% ukuya ku-±12.5%.

·Ukumelana namanzi okuphuculweyo:Ilungele ngakumbi iindawo ezinomswakama.

·Ukuncipha kokuncipha:Ukuncipha okungaphantsi kwe-15% ukuze isitywino siqine ngakumbi.

Iingcebiso Zokusebenzisa Isitywina Esigqibeleleyo Sokungangeni Manzi

Ukufaka isitywini ngokuchanekileyo kubaluleke kakhulu njengokukhetha imveliso efanelekileyo. Indlela efanelekileyo iqinisekisa isitywini esiqinileyo nesibonakala singochwephesha esingangeni manzi esisebenza njengoko kulindelekile. Ukulandela iindlela ezilungileyo zokulungiselela, ukusebenzisa, kunye nokunyanga kwenza umahluko omkhulu.

Ukulungiswa komphezulu kubaluleke kakhulu

Ibhondi yesitywini iqine kuphela njengomphezulu enamathela kuwo. Isiseko esicocekileyo nesilungiselelwe kakuhle sibalulekile ukuze isitywini sihlale ixesha elide. Iingcali zilandela inkqubo yokulungiselela engqongqo ukuqinisekisa ukunamathela okunamandla.

Okokuqala, bacoca umphezulu kakuhle ukuze basuse lonke ukungcola, amafutha, ioyile, kunye nezinye izinto ezingcolisayo.

Okulandelayo, bayahlola baze balungise nawuphi na umonakalo ofana nemingxunya okanye ipeyinti exobukayo.

·Okokugqibela, bafaka iprimer ehambelanayo ukuba kuyimfuneko. Ukuprimer kwandisa ukubopha, ingakumbi kwizinto ezinemingxuma okanye ezinzima.

La manyathelo aqinisekisa ukuba umphezulu uneempawu ezilungileyo zokumanzisa, nto leyo evumela ukuba isitywini sisasazeke kwaye senze ikhonkco eliqinileyo phakathi kweemolekyuli.

Izixhobo Zokugqiba Ngobuchule

Ukusebenzisa izixhobo ze-sealant bead kwenza okungaphezulu nje kokudala inkangeleko ecocekileyo. Kudibanisa i-sealant kwijoyinti, kukhuphe iipokotho zomoya kwaye kuqinisekise ukuba idibana ngokupheleleyo ne-substrates. Le nkqubo ibalulekile kwi-sealant engangeni manzi.

Icebiso Elihle: Fumana Ukugqiba Okungenasiphako
Iingcali zisebenzisa indlela ethile yokwenza i-concave joint egqibeleleyo. Baqala ngokufaka intonga yomqolo ukulawula ubunzulu be-sealant. Emva koko, bafaka i-masking tape ecaleni kwemiphetho ye-joint ukuze bacoce imigca. Emva kokufaka i-continuous bead ye-sealant, basebenzisa intonga yezixhobo ukuze bacinezele i-sealant ibe yi-concave. Ukususa i-tape ngoko nangoko kushiya umphetho ocacileyo nobukhali.

Ukuqonda Amaxesha Okuphilisa

Umonde yinxalenye ebalulekileyo yenkqubo yokuvala. Ii-polyurethane kunye nee-hybrid polymer sealants ziyaphilisa umswakama, oko kuthetha ukuba zixhomekeke kumswakama womoya ukuze ziqine. Iimeko zendalo zichaphazela ngokuthe ngqo ukuba oku kuthatha ixesha elingakanani. Amaqondo obushushu aphezulu kunye nomswakama omkhulu kuya kuyikhawulezisa inkqubo yokupholisa. Ngokwahlukileyo koko, amaqondo obushushu abandayo kunye nomoya owomileyo unokulibazisa kakhulu. Soloko ujonga iphepha ledatha lobuchwephesha lemveliso ukuze ufumane amaxesha athile okupholisa kunye nobubanzi bobushushu bokusetyenziswa ukuze uphephe ukungaphumeleli kwangaphambi kwexesha.

Iingcali ziyafumanaizitywini zepolymer ezixutyiweyozezona ndlela zibalaseleyo kune-Silicon Sealant engangeni manzi eqhelekileyo kwiiseal ezininzi ezisetyenziswa ngokubanzi. Zibonelela ngokupeyinta okugqwesileyo kunye nokuqina. Kwizicelo ezinzima, ezihamba kakhulu, okanye zesakhiwo, iisealants ze-polyurethane zihlala zilukhetho olunamandla. Ukukhetha imveliso elungileyo kuqinisekisa isiphumo esiphumelelayo nesihlala ixesha elide.

Uvavanyo lokugqibela
Soloko ufunda iphepha ledatha yobugcisa lomenzi. Eli nyathelo liqinisekisa ukuhambelana nezixhobo ezithile kunye neemfuno zeprojekthi ngaphambi kokuba uqale umsebenzi.

FAQ

Ndingayisebenzisa i-polyurethane sealant kwigumbi lam lokuhlambela?

Iingcali zihlala zicebisa ii-polymers ezixutyiweyo kwiindawo zokuhlambela. I-Polyurethane inamandla kakhulu kodwa inokuba nevumba elibi ngexesha lokunyanga kwayo. I-hybrid sealants zibonelela ngokukhusela amanzi kakuhle kwaye zihlala zinokumelana nokungunda ubomi bonke, nto leyo eyenza ukuba zibe lukhetho olungcono kwiindawo ezimanzi ngaphakathi.

Yintoni umahluko omkhulu phakathi kwe-hybrid kunye ne-polyurethane sealants?

Ii-polyurethane sealants zibonelela ngamandla aphezulu oomatshini kwimisebenzi yokwakha. Ii-hybrid polymers zibonelela ngokusebenza okuhle kakhulu. Zidibanisa amandla amahle kunye nokumelana okuhle kwe-UV kunye nokupeyintwa, nto leyo ezenza zibe nobuchule ngakumbi kwiiprojekthi zokuvala ngokubanzi.

Ndingayisusa njani i-polyurethane endala okanye i-hybrid sealant?

Ukususa kufuna inkqubo enamanyathelo amabini. Okokuqala, iingcali zisika kwaye zikhuhle isixa esikhulu sesitywina esidala ngemela yokusetyenziswa okanye isixhobo esikhethekileyo. Emva koko, zisebenzisa isinyibilikisi sekhemikhali esenzelwe izitywina ukuthambisa nokususa nayiphi na intsalela eseleyo.

Inqaku loKhuseleko:Soloko usebenza kwindawo enomoya ococekileyo kwaye unxibe izixhobo zokhuseleko ezifanelekileyo, kuquka iiglavu kunye nokukhusela amehlo, xa usebenzisa izinyibilikisi zeekhemikhali.

Ngaba iipolymers ezixutyiweyo zikhuselekile kumgangatho womoya wangaphakathi?

Ewe, ii-polymers ezixutyiweyo ziyindlela entle kakhulu yokusetyenziswa ngaphakathi. Zenziwe ngaphandle kwe-isocyanates kwaye zine-Volatile Organic Compound (VOC) emissions ephantsi kakhulu. Oku kuzenza zibe lukhetho olukhuselekileyo kubafaki kunye nabahlali bezakhiwo, nto leyo enegalelo ekuphuculeni umgangatho womoya ngaphakathi.