Ikhoyili yensimbi imile njengezinga lomhlaba wonke lokumelana nokugqwala okungabizi kuyo yonke imikhakha yezokukhiqiza neyokwakha. Ngokuhlanganisa isendlalelo se-zinc esivikelayo ku-substrate yensimbi, le nto ihlinzeka ngokuzivikela okubalulekile ngokumelene nezakhi, iqinisekisa ubuqotho besakhiwo lapho insimbi engalashwa ingahluleka khona. Kodwa-ke, ukukhetha nje 'insimbi eyakhiwe kabusha' akuvamile ngokwanele ukuqinisekisa ukusebenza. Inselele yangempela isekuzulazuleni igebe lensiza: kuyilapho abathengi abaningi beqonda ukuthi i-zinc imelana nokugqwala, abambalwa ababamba ngokugcwele izisindo ezithile zokumboza (ezifana ne-G60 iqhathaniswa ne-G90) noma ukuhluka kwenqubo ehlukile phakathi kwezindlela zokucwilisa okushisayo nezindlela zokugaxa i-electro-galvanizing.
Ukwehluleka ukufanisa ukucaciswa kobuchwepheshe nendawo okuhlosiwe kuvame ukuholela emiphumeleni yephrojekthi eyinhlekelele, okuhlanganisa ukugqwala ngaphambi kwesikhathi kanye nobuthakathaka besakhiwo. Lo mhlahlandlela uhlose ukuvala lelo gebe ngokuxhuma amacala athile okusetshenziswa kwezimboni ngokuqondile emibhalweni yobuchwepheshe edingekayo ukuze kuphumelele. Ngokuqonda ama-nuances wokuqina kwe-coating, amazinga okwakheka, kanye nezingqinamba zemvelo, ungaqinisekisa ubude bezinto ezibonakalayo futhi wandise imbuyiselo yokutshalwa kwezimali komugqa wakho wokukhiqiza noma iphrojekthi yokwakha.
Okuthathwayo Okubalulekile
Ivelu Eyisisekelo: Insimbi eyakhiwe ngensimbi ibhalansisa izindleko zangaphambili nokuqina kwesikhathi eside ngokuvikelwa komhlatshelo (i-zinc iyazidela ngenxa yensimbi).
Ukubusa Komkhakha: Okubalulekile ekwakhiweni (ukwenza uzimele/uphahla), ezezimoto (amaphaneli), kanye nezolimo ngenxa yokubekezelela okuthile kwemvelo.
Ingozi Yokukhetha: Ukusebenzisa isisindo esingalungile sokumboza (isb., i-G60 endaweni enokugqwala okuphezulu) kuholela ekuhlulekeni ngaphambi kwesikhathi; izindawo ezisogwini zivame ukudinga ezinye izindlela ezifana ne-Galvalume noma i-Aluminium.
Ithiphu Yokuthenga: Inketho yezinto ezibonakalayo kufanele ilawulwe yizinga le-ASTM A653 kanye nezidingo ezithile zokwakheka (ukwenza ukukhiya uma kuqhathaniswa nomdwebo ojulile).
Izicelo Eziyinhloko Zezimboni kanye Nezidingo Zokusebenza
Ukuguquguquka kwe-Galvanized Steel Coil kuyivumela ukuthi isebenze njengomgogodla wezimboni ezihlukahlukene. Kodwa-ke, imboni ngayinye idinga isethi ehlukile yezakhiwo zemishini kanye nokucaciswa kwe-coating ukuze imelane nendawo yayo ethile yokusebenza.
Ukwakhiwa Nengqalasizinda (I-Volume Driver)
Ezokwakha zenza umthamo omkhulu kakhulu wokusetshenziswa kwensimbi ethathiwe emhlabeni jikelele. Kulo mkhakha, impahla yenza imisebenzi emibili ehlukene: ukusekelwa kwesakhiwo nokuvikela imvelo.
Izinhlelo zokusebenza Zesakhiwo: Ku-Light Gauge Steel Framing (LGS), ama-purlins, nama-girts, imfuneko eyinhloko amandla esivuno. Abakhi bavame ukuthembela ensimbi yeBanga 33, 50, noma 80 ukuze baqinisekise ukuthi uhlaka lwamathambo esakhiwo lungasekela imithwalo ebalulekile. Okubaluleke kakhulu, lezi zingxenye zisebenzisa isisindo se-G60 kuya ku-G90. Njengoba lezi zingxenye zivame ukuvaleleka ngaphakathi kwezindonga noma amasistimu ophahleni, zivikelwe emvuleni eqondile kodwa kusafanele zimelane nomswakamo wendawo kanye nokufingqa okungalimaza ubuqotho besakhiwo ngokuhamba kwesikhathi.
Imvilophu Yokwakha: Amaphaneli ophahla namaceleni abhekana nokuchayeka emisebeni ye-UV, imvula, neqhwa. Nakuba ngokuvamile isetshenziswa njenge-substrate ye-Pre-Painted Galvanized Iron (PPGI), ungqimba lwezinc olungaphansi luhlala lubalulekile. Uma upende luklwetshiwe, i-zinc inikeza umugqa wesibili wokuzivikela. Ukukhetha indawo efanele ye-substrate kubalulekile lapha; ukuqedwa okubushelelezi kuqinisekisa ukunamathela kopende okufanele, kuvimbela ukuxebuka noma amabhamuza iminyaka phansi komugqa.
Ingqalasizinda: Izinsimbi zokuqapha umgwaqo omkhulu, ama-culverts, nezingxenye zamabhuloho zisebenza kwezinye zezimo ezinzima kakhulu ongazicabanga, ezibhekene nosawoti womgwaqo, imfucumfucu, kanye nomswakama ongapheli. Lezi zinhlelo zokusebenza zidinga ukumbozwa kwe-zinc esindayo, okuvamise ukweqa amamaki okuhweba ajwayelekile, ukuze kuhlinzekwe amashumi eminyaka esevisi engalungiswa. Onjiniyela babeka phambili lezi zinsiza ngoba ukufaka ingqalasizinda kunzima futhi kuyabiza.
Ukukhiqiza Kwezimoto (I-Precision Driver)
Imboni yezimoto iqhuba ukuqanjwa okusha kubuchwepheshe bokwenza i-galvanizing, iphushela izinto ezinikeza izilinganiso eziphezulu zamandla nesisindo ngaphandle kokudela ukumelana nokugqwala.
Amaphaneli Aveziwe: Izingxenye zangaphandle ezifana namafenda, ama-hood, namaphaneli eminyango zidinga ukuqedwa okuhlanzekile kokupenda. Lapha, abakhiqizi bavamise ukusebenzisa 'i-Galvannealed' insimbi. Lokhu kuhlukahluka kuhilela ukwelashwa kokushisa kwangemva kokumboza okuguqula ingxube ye-zinc ibe ingxubevange ye-zinc-iron. Umphumela uba indawo ecwebezelayo eyamukela upende kalula futhi inikeza ukushisela okuhle kakhulu, okubalulekile emigqeni yokuhlanganisa ezenzakalelayo.
Izingxenye Ezingaveziwe: Izingxenye zangaphakathi ezifana ne-chassis, iziqinisi, namafreyimu ezihlalo azidingi ukuphelela kobuhle kodwa zidinga umkhawulo wokuvikelwa komkhawulo. Insimbi ehlanzekile yokucwilisa okushisayo iyinto ekhethwayo lapha. Ivumela abakhiqizi bezimoto ukuthi basebenzise amageji azacile, alula ensimbi enamandla amakhulu ukuze behlise isisindo semoto sisonke—ukuthuthukisa ukusebenza kahle kukaphethiloli—kube beqinisekisa ukuthi ifremu ayigqwali ngenxa yesifutho somgwaqo noma ukunqwabelana kukasawoti.
Ezolimo Neziboshwa Ezivalelwe (I-Chemical Resistor)
Ezolimo ziveza inselele yamakhemikhali eyingqayizivele leyo ukukhiqizwa okujwayelekile okungenayo: ukuba khona kwe-ammonia. Izisele zokusanhlamvu, izinqolobane, nezibaya zezilwane zihlala zichayeka kumswakama nemfucumfucu yezilwane.
Nakuba i-Galvalume (ingxubevange ye-aluminium-zinc) iphakeme ezimweni eziningi zomoya, ayisebenzi kahle kuzilungiselelo zokuvalelwa kwezilwane. I-ammonia etholakala ku-urea nasemqubeni ibhekana nolaka ne-aluminiyamu, ibangele ukuwohloka ngokushesha kwezimbobo. Ikhoyili yensimbi eyiGalvanized Steel iwina kule ndawo ngoba i-zinc yayo ehlanzekile inikeza ukumelana okuphezulu nengxube ye-alkaline. Kubalimi nabakhi bezolimo, ukukhetha insimbi evamile yamagalasi kunezinye izinto ezisekelwe ku-aluminium ngokuvamile kuwumehluko phakathi kwesisele esihlala iminyaka eyi-10 uma kuqhathaniswa neminyaka engama-30.
HVAC & Electrical Enclosures
Emikhakheni yemishini nekagesi, ukwakheka kanye nezakhiwo zikagesi zihamba phambili eceleni kokumelana nokugqwala.
I-Ductwork: Ukudonsa kwe-HVAC kuhilela ukwakhiwa okuyinkimbinkimbi, okuhlanganisa ama-hem aqinile nama-crimp. Lolu hlelo lokusebenza ludinga 'Ikhwalithi Yokwenza Ukukhiya' (LFQ) insimbi. Impahla ye-LFQ icutshungulwa ukuze kuqinisekiswe ukuthi i-zinc enamathela inamathela ngokuqinile kusisekelo sensimbi ngisho nalapho igobile ama-degree angu-180. Ngaphandle kwalokhu kucaciswa, i-zinc izophephuka noma ixebuke lapho egoba khona, ishiye insimbi ichayeke ekujikeni nasekugqwaleni ngaphakathi kwesistimu yokukhipha umoya.
Okuvalekile Kagesi: Amathreyi ekhebula, amapayipi epayipi, namakhabethe eseva asebenzisa insimbi ngamakhono okuvikela okuphazanyiswa yi-electromagnetic interference (EMI). Isendlalelo se-zinc sivikela lezi zinhlelo ezibalulekile ekugqwaleni kwemvelo ngaphandle kokuphazamisa izici kazibuthe zensimbi, iqinisekisa ukuthi izinto zikagesi ezizwelayo zihlala zivikelekile futhi zomile.
Ukumatanisa Ubuchwepheshe Bezinto Zokuqeda Ukusetshenzwa
Akuwona wonke ama-zinc coatings adalwe alinganayo. Ukuqonda inqubo yokukhiqiza kanye nokucaciswa okuwumphumela kubalulekile ukuze kuqhathaniswe okokusebenza nesikhathi esihlosiwe sempilo nendawo ezungezile.
I-Hot-Dip Galvanized (HDG) vs. Electrogalvanized (EG)
Indlela yokufaka isicelo ishintsha ngokuyisisekelo izici zomkhiqizo wokugcina. I-Hot-Dip Galvanized (HDG) ihlanganisa ukudlulisa umucu wensimbi ngokuqondile kubhavu we-zinc encibilikisiwe. Lokhu kwakha isibopho se-metallurgical phakathi kwe-zinc nensimbi, okuholela ekuhlanganisweni okukhulu, okuhlala isikhathi eside. I-HDG iyinketho ekhethwayo yezinhlelo zokusebenza zangaphandle, ezisindayo, nezakhiwo ezifana namarakhi elanga kanye nozimele wokwakha lapho ukuvikela okuphezulu kwezithiyo kungaxoxiswana khona.
Ngokuphambene, insimbi ye-Electrogalvanized (EG) ikhiqizwa nge-electroplating zinc endaweni yensimbi. Le nqubo ikhiqiza isiphetho esincanyana kakhulu, esifana kakhulu, nesiphetho se-matte. Nakuba inikeza ukuvikelwa okuncane kokugqwala kune-HDG, inikeza indawo ephakeme yokudweba. I-EG ilungele izinhlelo zokusebenza zasendlini, njengezinto zikagesi zasendlini, izikhwama zekhompuyutha, nezinto zokwakha zangaphakathi lapho ukunemba nobuhle kwedlula ukumelana nesimo sezulu esibi kakhulu.
Izimpawu Zokuqina Kokujiya (Isikali G)
Esilinganisweni se-ASTM A653, izisindo zokumboza ziqokwa ngu-'G' elandelwa inombolo emelela isamba sesisindo se-zinc nhlangothi zombili zeshidi (ngekhulu le-aunsi ngonyawo lwesikwele). Ukuqonda lesi sikali kubalulekile ekuthengeni.
| I-Designation |
Zinc Ukujiya |
Okuyisisekelo Isicelo |
Esivamile Imvelo |
| G30/G40 |
Ukukhanya |
Imishini yangaphakathi, ifenisha yasehhovisi, izikopelo |
Izindawo zasendlini ezilawulwa yisimo sezulu, ezomile. |
| G60 |
Okumaphakathi (Okujwayelekile) |
I-HVAC yezentengiso, uhlaka lwangaphakathi, iminyango yegaraji |
Umswakama ngezikhathi ezithile, izindawo ezingaphandle ezivikelekile. |
| G90+ |
Kunzima |
Uphahla, izisele zezolimo, ingqalasizinda yangaphandle |
Ukuchayeka ngokuqondile emvuleni, eqhweni, nasezintweni ezingcolisayo. |
Izinombolo 'G' eziphakeme zihlobana ngokuqondile nongqimba lwezinc olujiyile. Njengoba i-zinc igqwala ngenani elibikezelwayo, ukugqwala kwe-G90 kuzohlala isikhathi eside ngo-50% kune-G60 enamathela endaweni efanayo ngaphambi kokuba kuvele ukugqwala okubomvu esisekelweni sensimbi.
Ukuhlukahluka Kwe-Spangle (Ubuhle vs. Ukusebenza)
'I-spangle' ibhekisela kuphethini yekhekheba leqhwa elicwebezelayo elibonakala phezu kwensimbi eyakhiwe ngamatshe ashisayo. Ngokomlando, i-spangle enkulu, enesibindi yayibonwa njengophawu lwekhwalithi. Namuhla, usayizi we-spangle ulawulwa ngezidingo ezithile zokusebenza.
I-Spangle Evamile: Ifaka phakathi ukubukeka kwekristalu okungokwesiko, okubonakalayo. Ifaneleka ngokuphelele ukwakhiwa okujwayelekile, izingxenye ezingaveziwe, kanye nezinhlelo zokusebenza zangaphandle lapho ubuhle buyingxenye yesibili ekusebenzeni.
I-Zero noma i-Spangle Encishisiwe: Ikhiqizwe ngokuvimbela ukukhula kwekristalu phakathi nenqubo yokupholisa. Lokhu kuqedwa kuyadingeka ezingxenyeni zezimoto noma amaphaneli ezinto zikagesi azopendiwa. Indawo eyiziro-spangle iqinisekisa ukuthi ukuthungwa kwekristalu akusebenzisi ucingo ngopende, okuholela ekuqedeni okubushelelezi, okucwebezelayo.
Ukuhlola Okubalulekile: Lapho Okungamele Kusetshenziswe Insimbi Enguthayela
Ukuhlola izinto ezibonakalayo okuqotho kudinga ukuvuma ukulinganiselwa. Nakuba i-Galvanized Steel Coil inemisebenzi eminingi, ayilona ikhambi elivamile. Ezinye izindawo zizolulaza i-zinc ngokushesha, okuholela ekuhlulekeni okubizayo.
Umkhawulo Wasogwini
Amanzi anosawoti yi-kryptonite yensimbi enama-galvanized. Ezindaweni ezinosawoti omningi—ngokuvamile okuchazwa njengendawo ephakathi kwemayela elingu-1 ukuya kwangu-3 ogwini—isifutho sikasawoti sisheshisa ukugqwala kwe-zinc kakhulu. Ama-chloride akusifutho sasolwandle adiliza i-patina evikelayo evame ukwakheka ku-zinc. Kumaphrojekthi akulezi zindawo, ukucacisa insimbi yama-galvanized ngokuvamile kuyiphutha. Kunalokho, amathimba okuthengwa kwempahla kufanele ancome i-Aluminium noma iStainless Steel, enikeza ukumelana okuphezulu kakhulu nokugqwala kwasolwandle.
I-Galvanized vs. Galvalume (Al-Zn)
Abathengi bavame ukudida insimbi eGalvanized ne-Galvalume, kodwa banamaphrofayili okusebenza ahlukile. I-Galvalume ihlanganisa i-aluminium, i-zinc, ne-silicon. Ezimweni ezijwayelekile zomkhathi, i-Galvalume inganikeza izikhathi ezingu-2 kuya kwezi-4 ubude besikhathi sokuphila kwensimbi yamagalani ngenxa yokuvikelwa kwesithiyo se-aluminium.
Kodwa-ke, i-Galvanized steel igcina inzuzo ebalulekile 'ku-edge creep.' Uma ishidi lisikwa, unqenqema lwensimbi eluhlaza luyavezwa. I-Zinc isebenza kakhulu futhi izofuduka ukuze ivikele le nkomba enqunyiwe (ukuziphilisa). I-Aluminium ayisebenzi futhi inikeza ukuvikeleka okuncane emaphethelweni asikiwe. Ngakho-ke, sebenzisa i-Galvanized steel ezinhlelweni ezibandakanya ukwakheka okubanzi, ukubhoboza, noma ukugunda, kanye nokuvalela izilwane. Khetha i-Galvalume yophahla olujwayelekile lwezimboni olunama-perforations amancane.
Izingozi Zesitoreji (Ukugqwala Okumhlophe)
Ukwehluleka okuvamile kwenzeka ngaphambi kokuthi umkhiqizo ufakwe. Uma amakhoyili anathayela egcinwe ezindaweni ezimanzi, ezingenawo umoya ohlanzekile, umswakama uyavaleleka phakathi kwezingqimba zensimbi. Lokhu kuphuca i-zinc isikhutha esidingekayo ukuze kwakhiwe ungqimba oluzinzile lwe-carbonate oluvikelayo. Kunalokho, yenza i-zinc hydroxide—into emhlophe, eyimpuphu eyaziwa ngokuthi 'Ukugqwala Okumhlophe.' Lo monakalo ungaba unomphela. Ukuze unciphise lokhu, dinga ukwelashwa kokudlula (i-chromating noma ukugcoba) ngesikhathi sokuthenga futhi uqinisekise ukugcinwa kwempahla okulawulwa yisimo sezulu.
Ukucatshangelwa Kwezohwebo Zokuthenga
Ukuthola ikhoyili yensimbi kuyinkimbinkimbi kunokuthola inani lentengo eliphansi kakhulu ngethani. Izici zezohwebo ezimbalwa zithonya Ingqikithi Yezindleko Zobunikazi (TCO) kanye nempumelelo yokwenziwa.
Abashayeli Bezindleko Beyond Base Price
I-invoyisi yokugcina yekhoyili ethathiwe ithonywa kakhulu inhlawulo ye-zinc. Njengoba i-zinc idayiswa emhlabeni jikelele ku-LME (London Metal Exchange), intengo yayo iyashintshashintsha ngaphandle kwensimbi. Izingubo eziwugqinsi (G90 vs G60) zinezindleko ezingeziwe ze-zinc. Ukwengeza, i-high-strength low-alloy grade (HSLA) iyala amaphrimiyamu wamandla esivuno. Abathengi kufanele futhi bacabangele izindleko zokwelashwa kwendawo efana nezigxivizo zeminwe noma ukugcoba kakhulu, okuvikela okokusebenza ngesikhathi sokuthutha kodwa okwengeze kumugqa ophansi.
Amamethrikhi Okwakheka Nokwenziwa
Ukukhetha izinga lensimbi elingalungile kungamisa umugqa wokukhiqiza. Kubakhiqizi be-HVAC, **Ikhwalithi Yokwenza Khiya (LFQ)** ibalulekile; iqinisekisa ukuthi ukunamathela akuqhekeki ngesikhathi sokugoba okunolaka. Ngokuphambene, izitembu zezimoto nezezinto zikagesi zidinga **Ikhwalithi Yokudweba (DQ)** noma **Ikhwalithi Yokudweba Okujulile (DDQ)** insimbi. Lawa mabanga anesakhiwo esincane esithile esivumela isisekelo sensimbi ukuthi sinwebe sibe yizimo eziyinkimbinkimbi (njengesitsha sikasinki noma i-fender yemoto) ngaphandle kokuhlukana. Ukuziba lawa mamethrikhi kuholela emazingeni aphezulu alahliwe nezinto ezimoshekayo.
Ukusimama kanye ne-TCO
Naphezu kwezindleko zangaphambili eziphezulu uma kuqhathaniswa nensimbi 'emnyama' evamile, insimbi ethathiwe inikeza Ukuhlaziywa Kwezindleko ze-Lifecycle. Ngokuqeda isidingo sokupendiwa kabusha noma sokulondolozwa kwempahla iminyaka engu-20 kuya kwengu-50, izinto ezisetshenziswayo ziyazikhokhela. Ngaphezu kwalokho, i-zinc-steel composite ingaphinda isetshenziswe ngo-100%. Ekupheleni kwempilo yesakhiwo, insimbi ingabuyiswa futhi incibilikiswe ukuze ikhiqize imikhiqizo emisha ngaphandle kokulahlekelwa izakhiwo, iqondaniswe nemigomo yokusimama yesimanje.
Isiphetho
Ikhoyili yensimbi eyenziwe ngensimbi ayiyona into eyodwa, umkhiqizo we-monolithic; iwuchungechunge olubanzi lokucaciswa okuklanyelwe ukuxhumana nendawo ethile. Kusukela kuma-coatings azacile, apendwekayo emshinini wokuwasha kuya kusivikelo se-G90 esindayo emgwaqweni onguthelawayeka, impumelelo incike ekunembeni. Umehluko phakathi kwephrojekthi ehlala amashumi eminyaka naleyo ehlulekayo eminyakeni embalwa ngokuvamile ivela ekuqondeni umehluko phakathi kwe-hot-dip ne-electro-galvanizing, noma ukuqaphela ukuthi kufanele kushintshelwe nini ku-aluminium ezindaweni ezisogwini.
Ukusebenzisa ngempumelelo kuqala ngokuchaza indawo ezungezile. Ingabe ikhona i-ammonia? Ingabe impahla izobhekana nomswakama njalo noma imisebe ye-UV? Uma lezi ziguquguqukayo sezifakwe imephu, ukukhetha isisindo esifanele sokumboza kanye nebanga lensimbi kuba yisinqumo esiqhutshwa idatha esikhundleni sokuqagela. Sikukhuthaza ukuthi ucele ukubonisana ngezinto ezibonakalayo noma ikhithi yesampula ethile ukuze uqinisekise ukunamathela kwe-coating kanye nokuqedwa komugqa wakho wokukhiqiza ngaphambi kokuzibophezela ku-oda eligcwele.
FAQ
Q: Uyini umehluko phakathi kwensimbi ye-G60 ne-G90?
A: Umehluko usebugqileni be-zinc enamathela. I-G60 inesisindo esiphelele sokumboza esingu-0.60 oz/sq ft, kuyilapho i-G90 ino-0.90 oz/sq ft. I-G90 inikeza umgoqo omkhulu, enikeza cishe impilo ende yesevisi engu-50% ezindaweni ezingaphandle ngaphambi kokuba i-zinc iqedwe futhi kube nokugqwala okubomvu. I-G60 ivamise ukusetshenziselwa izinhlelo zokusebenza zasendlini noma ezithambile, kanti i-G90 iyindinganiso yokufulela kwangaphandle kanye nezindawo ezinokhahlo.
Umbuzo: Ingabe ikhoyili yensimbi ingapendwa?
IMP: Yebo, kodwa kudinga ukulungiswa okufanele. Izindawo ezintsha zikathayela ngokuvamile zibushelelezi kakhulu noma zisebenza amakhemikhali ukuze upende ojwayelekile unamathele. Kufanele usebenzise i-primer ethile noma ukwelashwa kwangaphambilini ukuze ugcizelele indawo. Okunye, ungathenga 'Galvannealed' steel noma 'Bonderized' steel, ezilashwa ngamakhemikhali noma ezicutshungulwe ngokushisisa emshinini wokugaya ukuze kuhlinzekwe ngendawo eseduze, elungele upende ngaphandle komsebenzi owengeziwe wokulungiselela.
Umbuzo: Ingabe insimbi enama-galvanized iyagqwala?
A: Ekugcineni, yebo. Insimbi ethathiwe imelana nokugqwala ngenqubo 'yomhlatshelo' lapho i-zinc igqwala esikhundleni sensimbi. Eminyakeni eminingi, ungqimba lwezinc luzoncipha kancane kancane. Uma i-zinc isisetshenziswe ngokugcwele, i-substrate yensimbi iyavezwa, futhi 'Red Rust' (i-iron oxide) izokwakheka. 'Ukugqwala Okumhlophe' kuyinkinga ehlukile—ibala lesitoreji esenzeka lapho i-zinc ichayeke kumswakama ngaphandle kokugeleza komoya.
Q: Ingabe insimbi ethathiwe ilungele izindawo zasolwandle?
A: Ngokuvamile, cha. Ezindaweni ezingaphakathi kwamamayela angu-1-3 emanzini anosawoti, okuqukethwe kwe-chloride ephezulu emoyeni kusheshisa ukugqwala kwe-zinc, kukhumule ungqimba oluyisivikelo ngokushesha. Ukuze uthole ukuchayeka olwandle okuqondile, insimbi engagqwali noma i-aluminium yizinketho ezingcono kakhulu. Uma kufanele kusetshenziswe insimbi enothayela, idinga isisindo esisindayo kakhulu sokumboza (G210 noma ngaphezulu) noma uhlelo olwengeziwe lokuvikela lopende (i-duplex coating).
Q: Ingakanani impilo yekhoyili yensimbi?
IMPENDULO: Ubude besikhathi sokuphila buhluka kakhulu ngokusekelwe emazingeni okungcola kanye nomswakama. Endaweni eyomile, yasemakhaya, ukunamathela okujwayelekile kwe-G90 kungahlala ngaphezu kweminyaka engama-50. Esimeni esinzima sezimboni noma sasemadolobheni esinokungcola okwengeziwe, lokho kunamathela kungase kuhlale iminyaka engu-20 kuya kwengu-25. Ukuqina kwe-zinc enamathela, impilo yesevisi iba yinde.
