Iindaba

Intshayelelo yepeyinti

Kwiziseko ezingundoqo kunye nenkqubo yoshishino yoluntu lwanamhlanje, imibhobho idlala indima ebalulekileyo. Zifana nemithambo yezothutho ethuleyo, zithutha ngokuthula ulwelo, iigesi kunye nezinto ezahlukahlukeneyo, ziqinisekisa ukunikezelwa kwamandla, ukusebenza kakuhle kokuveliswa kwemveliso kunye nokulula kobomi bemihla ngemihla. Nangona kunjalo, emva komsebenzi othuleyo wepayipi, kukho "umlindi ongabonakaliyo" oyimfuneko - ipeyinti yombhobho, enika ukhuseleko olubalulekileyo kumbhobho.

1. inkcazo kunye nomsebenzi wepeyinti yombhobho

Ipeyinti yombhobho, njengoko igama libonisa, yipeyinti eyenzelwe ngokukodwa ukuba isetyenziswe kumphezulu wemibhobho. Indima yayo ephambili idlulela ngaphaya kokuhombisa okulula kunye neempawu, kodwa ingena nzulu kuwo onke amanqanaba okhuseleko lombhobho kunye nokwenza ngcono ukusebenza.

(1) Ukuthintela umhlwa nomhlwa

Imibhobho yesinyithi ithanda ukubola kunye nomhlwa kwindawo efumileyo, eneasidi okanye enealkaline. Oku akuyi kunciphisa kuphela ubomi benkonzo yombhobho, kodwa kunokukhokelela ekuvuzeni kwemibhobho, okubangela iingozi ezimandundu zokhuseleko kunye nongcoliseko lokusingqongileyo. Ipeyinti yombhobho ingenza umaleko kumphezulu wombhobho ukwahlula umqobo wokusingqongileyo wangaphandle, ukuthintela ngokufanelekileyo ukufuma, ioksijini kunye nezinto ezonakalisayo kunye nentsimbi yokunxibelelana ngokuthe ngqo. Phakathi kwazo, ii-pigments ezichasene ne-rust, ezifana ne-red lead, i-zinc powder, njl., ziyakwazi ukusabela ngokwekhemikhali kunye nomphezulu wesinyithi ukuze zenze uluhlu oluzinzile lwe-compounds, ngakumbi ukuphucula i-anti-rust effect. Ngale ndlela, ipeyinti yombhobho ilibazisa inkqubo yokubola kunye nokugqwala, yandisa kakhulu ubomi benkonzo yombhobho, kwaye inciphisa iindleko zokulungiswa kunye nokutshintshwa ngenxa yomonakalo wombhobho.

(2) Ukomeleza ukumelana nemozulu

Umbhobho ovezwe ngaphandle ujongana novavanyo lwemozulu eyohlukeneyo, ukukhanya kwelanga kuya kubangela ukogquma ukuba buguge kwaye buphele, ukhukuliseko lwemvula luya kukwenza buthathaka ukuncamathela kwengubo, kwaye ukutshintshwa kwengqele nobushushu kuya kubangela ukuba imathiriyeli yombhobho yande kwaye iyancipha, ngaloo ndlela ichaphazela ingqibelelo yokwaleka. Ipeyinti yomgangatho ophezulu wepayipi inokumelana nemozulu ebalaseleyo kwaye inokugcina ukusebenza okuzinzileyo kwiinguqu zemozulu zexesha elide. Ukuqulunqwa kwayo okukhethekileyo kwenza ikwazi ukumelana nemisebe ye-ultraviolet, ukuthintela ukuguga kwe-coating kunye ne-embrittlement; Ngexesha elifanayo, ukuchasana kwamanzi okulungileyo kuqinisekisa ukuba imvula ayingeni kwi-coating, igweme ukubola kwentsimbi engaphantsi. Ebusika obubandayo, ipeyinti yombhobho inokumelana nempembelelo yokushisa okuphantsi, ngaphandle kokuqhekeka kunye nokukhupha; Ehlotyeni elitshisayo, liyakwazi ukufudumala ngokufanelekileyo, ukunciphisa ukunyuka kweqondo lokushisa langaphakathi lombhobho, ngaloo ndlela kuncitshiswe uxinzelelo lwe-thermal yezinto zombhobho kunye nokuqinisekisa ukusebenza ngokukhuselekileyo kombhobho.

(3) Ukuchongwa kunye nesilumkiso

Kwiinkqubo zemibhobho eyinkimbinkimbi, iibhobho ngeenjongo ezahlukeneyo kufuneka zihlulwe ngemibala ebonakalayo ukuze abaqhubi bakwazi ukuchonga ngokukhawuleza nangokuchanekileyo kwaye balawule. Umzekelo, imibhobho yegesi idla ngokupeyintwa tyheli ukulumkisa ngeengozi ezinokubakho kunye neemfuno ezikhethekileyo zokusetyenziswa; Imibhobho yomlilo ipeyintwe ebomvu ukuqinisekisa ukuba inokufumaneka ngokukhawuleza kwaye isetyenziswe kwimeko engxamisekileyo. Ukongezelela, ipeyinti yombhobho nayo inokongeza iimpawu zokulumkisa amehlo kwiindawo ezinobungozi, iindawo zoxinzelelo oluphezulu okanye iindawo ezikhethekileyo zokusebenza, ezifana "nengozi yoxinzelelo oluphezulu", "ungayichukumisi" njalo njalo. Ezi zibonakaliso azikwazi nje ukukhumbuza abasebenzi ukuba banikele ingqalelo ekukhuseleni, bagweme i-misoperation, kodwa babonelele ngolwazi olubalulekileyo kubasebenzi bokuhlangula kwiimeko ezingxamisekileyo, ukukhawuleza unyango oluphuthumayo, kunye nokunciphisa ukulahleka kweengozi.

(4) Ukuphucula ubuhle

Nangona ubuhle abuyiyo umsebenzi ophambili wepeyinti yombhobho, ukucoceka, ukufana, kunye nombala oqaqambileyo wokugquma ngokungathandabuzekiyo unokunyusa imbonakalo yonke yenkqubo yombhobho. Kwiindawo zoshishino, ipeyinti yombhobho esemgangathweni kunye edibeneyo ingabonisa inqanaba lolawulo kunye nomfanekiso wamashishini; Kwiindawo zikawonke-wonke, njengezitrato zedolophu, iindawo zokuhlala, njl. njl., ipeyinti entle yombhobho inokunciphisa izinto ezibonakalayo ize icoceke kwaye ibe nocwangco. Ukongeza, inkangeleko entle inokunyusa ukuzithemba koluntu kunye nokwaneliseka kwiziseko ezingundoqo kunye nokuphucula umgangatho wesixeko ngokubanzi.

I-2, iintlobo kunye neempawu zepeyinti yepayipi

Kukho iintlobo ezahlukeneyo zepeyinti zepayipi, nganye inomsebenzi oyingqayizivele kunye neemeko zesicelo ukuhlangabezana neemfuno zokukhusela iipayipi ezahlukeneyo kwiindawo ezahlukeneyo kunye neemeko zokusebenza.

(1) Ipeyinti echasene nomhlwa

Ipeyinti ye-anti-rust yingubo esetyenziselwa ngokukodwa ukukhusela intsimbi yentsimbi, kwaye yenye yezinto ezisisiseko zokukhusela imibhobho. Ngokuqhelekileyo iqulethe ii-pigments ezikhethekileyo ezichasene ne-rust kunye nezongezelelo, ezinokuthi zenze ifilimu yokukhusela eshinyeneyo kumphezulu wesinyithi, ukuthintela uqhagamshelwano phakathi kwe-oksijini, ukufuma kunye neendaba ezitshabalalisayo kunye nesinyithi, ukwenzela ukuba kuthintele ngokufanelekileyo ukwenzeka komhlwa.
Ipeyinti echasene nomhlwa yohlulwe kakhulu ibe ziindidi ezimbini: ipeyinti echasene nomhlwa enamafutha kunye nepeyinti echasene nomhlwa esekwe emanzini. Ipeyinti ye-oyile echasene ne-rust ene-solvent ye-organic njenge-diluent, ineempawu zokomisa ngokukhawuleza kunye nokusebenza kakuhle kwe-anti-rust, kodwa ngenxa yomxholo wayo ophezulu we-volatile organic compounds (VOC), unempembelelo ethile kwindalo kunye nempilo yabantu, ngoko ukusetyenziswa kuxhomekeke kwizithintelo ezithile. Ngokwahlukileyo, ipeyinti echasene ne-rust esekelwe emanzini isebenzisa amanzi njenge-diluent, enenzuzo yokukhusela indalo, ukhuseleko, kwaye akukho lula ukutshisa, kwaye ihlangabezana neemfuno zemimiselo yendalo yanamhlanje. Nangona kunjalo, ixesha layo lokumisa lide kakhulu, kwaye ukusebenza kwayo okuchasene nomhlwa kunokuba mbi ngakumbi kune-oyile-based anti-rust peyinti kwezinye iimeko.
Ngokumalunga ne-anti-rust pigments, i-red lead eqhelekileyo, i-zinc powder, i-zinc phosphate kunye nokunye. Ipeyinti ebomvu yelothe echasene nomhlwa inefuthe elihle lokuchasa umhlwa, kodwa ngenxa yokuba ilothe ebomvu iqulethe ilothe, eyingozi kwimekobume kunye nomzimba womntu, iye yathintelwa ngokuthe ngcembe. Ipeyinti ye-zinc powder anti-rust isebenzisa ukukhuselwa kwe-electrochemical ye-zinc, enokubonelela ngokhuseleko olusebenzayo lwexesha elide lokuchasa umhlwa kwiintsimbi, ezilungele kakhulu imeko yaseLwandle kunye nezinye iziganeko ezinobungozi. Ipeyinti ye-zinc phosphate anti-rust iphendula kunye nomphezulu wesinyithi ukwenza ifilimu ekhuselekileyo ye-phosphate ekhuselekileyo, eneempawu ezintle zokulwa nokugqwala kunye nokumelana namanzi.

(2) Ipeyinti yokunqanda ukubola

Ipeyinti ye-anti-corrosion yi-coating eyenzelwe ngokukodwa ukuxhathisa ukhukuliseko lwezinto zekhemikhali, kwaye idlala indima ebalulekileyo ekukhuselweni kwemibhobho kwiikhemikhali, i-petroleum, ukucocwa kwelindle kunye namanye amashishini. Ngokwamajelo ahlukeneyo eendaba ezonakalisayo, ipeyinti echasayo inokohlulwa ibe yipeyinti enganyangekiyo kwiasidi, ipeyinti enganyangekiyo yealkali, ipeyinti yesitshizi setyuwa kunye nezinye iintlobo.
Ipeyinti enganyangekiyo ye-Acid isetyenziselwa ukuxhathisa ukubola kwezinto ezine-acidic, ezifana ne-sulfuric acid, i-hydrochloric acid njalo njalo. Iifomyula zihlala ziqulethe i-asidi-resistant-resistant kunye nezihlunu ezikhethekileyo ezigcina ingqibelelo kunye nokuzinza kwengubo kwiindawo ezine-acidic. Ipeyinti exhathisa ialkali yeyezinto zealkaline, ezifana nesodium hydroxide, ipotassium hydroxide, njl., inokumelana nealkali elungileyo. Ipeyinti ekwaziyo ukumelana nokutshizwa kwetyuwa kukumelana nokhukuliseko lwesitshizi setyuwa kwimimandla eselunxwemeni okanye kwimo engqongileyo yaseLwandle, ngolwakhiwo olukhethekileyo lokugquma kunye nebala elikwaziyo ukumelana nomhlwa, kuthintela ngokufanelekileyo ukubekwa kwetyuwa kunye nokudleka kumphezulu wombhobho.
Xa ukhetha ipeyinti ye-anti-corrosion, kuyimfuneko ukuqwalasela ngokubanzi i-medium, iqondo lokushisa elisebenzayo, uxinzelelo kunye nezinye izinto zokuthutha imibhobho. Umzekelo, kumbhobho wekhemikhali, ukuba ukuhanjiswa kukukho imichiza eyonakalisa kakhulu, kuyafuneka ukuba ukhethe ipeyinti echasayo enokumelana nekhemikhali, kwaye ukhethe uhlobo oluhambelana neresin kunye ne-pigment ngokohlobo oluthile lwekhemikhali.

(3) Ipeyinti enokumelana nobushushu obuphezulu

Kwezinye izicelo ezikhethekileyo zoshishino, njengemibhobho yokushisa, imibhobho yesithando somlilo, iipayipi zokukhupha iinjini, njl., Imibhobho kufuneka isebenze ixesha elide kwindawo yokushisa ephezulu. Ipeyinti enokumelana nobushushu obuphezulu iphuhliswa ukuhlangabezana nale mfuno.
Ipeyinti yokumelana nokushisa okuphezulu kunokugcina ukuzinza kwengubo phantsi kweemeko eziphezulu zokushisa, ngaphandle kokuthambisa, ukugeleza, ukuwa kunye nezinye izinto. Amacandelo ayo aphambili abandakanya i-resin ephezulu yokumelana nobushushu, i-pigment ekwazi ukumelana nobushushu kunye nezigcwalisi ezisebenzayo. Ipeyinti yeSilicone enokumelana nobushushu obuphezulu luhlobo oluqhelekileyo olunokumelana nobushushu obuphezulu kwaye ingasetyenziswa ixesha elide kudederhu lweqondo lobushushu le-200 ° C ukuya kuma-600 ° C. Ipeyinti ye-silicon ye-Inorganic silicon ephezulu inokumelana nobushushu obuphezulu, ukuya kuthi ga kwi-800 ° C. okanye nangaphezulu kwe-1000 ° C, kodwa ukuguquguquka kwayo kunye nokunamathela kumbi kakhulu.
Ukuze kuqinisekiswe umphumo wepeyinti yobushushu obuphezulu, ukunyangwa kwangaphambili okungqongqo kuyafuneka kumphezulu wombhobho ngaphambi kokwakhiwa ukususa ioli, i-rust kunye ne-oxide. Ngexesha elifanayo, ngexesha lenkqubo yokwakhiwa, kufuneka kuhlawulwe ingqalelo ekulawuleni ubukhulu kunye nokufana kwengubo yokukhusela ukuphepha ukwenzeka kwendawo eninzi kakhulu okanye encinci kakhulu.

(4) Ipeyinti yokugquma

Kwimibhobho ehambisa amandla okanye isetyenziswe kwizixhobo zombane, ezifana neetyhubhu zokukhusela ikhebula, izindlu ze-transformer, njl., ukusebenza kwe-insulation kubalulekile. Ipeyinti yokukhusela ingenza i-insulating layer kumphezulu wombhobho, ukukhusela ukuvuza kwangoku, kunye nokuqinisekisa ukusebenza ngokukhuselekileyo kwezixhobo zombane.
Ipeyinti yokugquma iqhele ukubunjwa nge-resin yokwenziwa, i-solvent kunye ne-insulating filler, kwaye inokumelana nokugquma kakuhle, ukumelana nombane kunye nokumelana nokufuma. Iipeyinti eziqhelekileyo zokugquma ziquka i-alkyd insulating paint, ipolyester insulating paint, epoxy insulating paint njalo-njalo. Xa ukhetha ipeyinti ye-insulating, kuyimfuneko ukuqwalasela ngokubanzi izinto ezifana ne-voltage yokusebenza, ukusetyenziswa kwendawo kunye neemfuno zokugquma kombhobho.

(5) Ipeyinti yokukhusela indalo

Ngokuphuculwa okuqhubekayo kwengqwalasela yehlabathi kukhuseleko lokusingqongileyo, ipeyinti yombhobho ehambelana nokusingqongileyo ibe yindlela yokuphuhlisa imarike. Olu hlobo lwepeyinti lunciphisa ukukhutshwa kwe-volatile organic compounds (VOC) kwinkqubo yokuvelisa kunye nokusetyenziswa, ukunciphisa ukungcoliseka kwendalo ye-atmospheric, kwaye kunciphisa ingozi yempilo kubasebenzi bokwakha kunye nabasebenzisi.
Ipeyinti yokukhusela indalo ibandakanya ipeyinti esekelwe emanzini, ipeyinti ephezulu eqinile kunye nepeyinti engena-solvent kunye nezinye iintlobo. Ipeyinti yamanzi isebenzisa amanzi njenge-diluent, ayinayo i-solvent ye-organic, ineenzuzo zokukhuselwa kwendalo, ukhuseleko, ukungatsha kunye nokunye. Ngokunyusa umxholo oqinileyo kwipeyinti, ukusetyenziswa kwe-solvents kuncitshisiwe, ngaloo ndlela kunciphisa ukukhutshwa kwe-VOC. Ipeyinti enganyibilikiyo iphantse yanganyibiliki kwaye ineempawu ezibalaseleyo zomzimba kunye neekhemikhali, kodwa iimfuno zokwakha ziphezulu.
Ipeyinti yokukhusela indalo ayiyona nto ibalaseleyo ekukhuselweni kwendalo, ukusebenza kwayo kubuye kuphuculwe rhoqo, kunokuhlangabezana neemfuno zokukhuselwa kwemibhobho eyahlukeneyo, kwaye ibe negalelo elihle kuphuhliso oluzinzileyo.

3. ukukhethwa kwamanqaku epeyinti yombhobho

Ukukhetha ipeyinti efanelekileyo yombhobho ngundoqo wokuqinisekisa umphumo wokukhusela kunye nobomi benkonzo yombhobho. Xa ukhetha, inani lezinto kufuneka ziqwalaselwe ukuhlangabezana neemfuno zombhobho kwindawo ethile kunye neemeko zokusebenza.

(A) ukusetyenziswa kommandla wemibhobho

Iimeko zokusingqongileyo zombhobho ziyingqwalasela ephambili ekukhethweni kwepeyinti yombhobho. Imimandla eyahlukeneyo ineemfuno ezahlukeneyo zokusebenza kweengubo.
Ukuba umbhobho ufakwe kwindawo ephantsi komhlaba emanzi, njengemibhobho yogutyulo, imibhobho yegesi engaphantsi komhlaba, njl.n Olu hlobo lwepeyinti luhlala lunokuxhathisa okugqwesileyo kwamanzi kunye nokumelana nemichiza, enokuthintela ngokufanelekileyo ukukhukuliseka kwamanzi kunye neekhemikhali kumhlaba ongaphantsi komhlaba.
Kwimibhobho evuleke ngaphandle, njengemibhobho yobushushu engaphezulu, imibhobho ye-oyile, njl. njl., kufuneka imelane novavanyo lwemiba yendalo efana nokuba sesichengeni selanga, ukhukuliseko lwemvula, ukhukuliseko lomoya kunye nesanti. Ngoko ke, ipeyinti yombhobho enokumelana nokuchasana kwemozulu kunye nokuxhatshazwa kokugqoka kufuneka kukhethwe ukuze kuqinisekiswe ukuba iingubo zihlala zizinzile kwindawo yangaphandle yangaphandle.
Ukuba umbhobho ukwindawo yobushushu obuphezulu, njengemibhobho yesithando somlilo seshishini, imibhobho yomphunga yeplanti yamandla ashushu, njl. Le peyinti inokugcina iimpawu zayo zomzimba kunye neekhemikhali kwiqondo lokushisa eliphezulu, ukuthintela umbhobho kwi-deformation, i-corrosion kunye nezinye iingxaki ngenxa yokushisa okuphezulu.

(B) Izinto ezithuthwa ngemibhobho

Izinto ezihanjiswa ngombhobho nazo zinempembelelo ebalulekileyo ekukhethweni kwepeyinti yombhobho. Izinto ezahlukeneyo zineekhemikhali ezahlukeneyo kunye neempawu ezibonakalayo, ezinokubangela ukubola, ukuchithwa okanye ukunxiba kwi-coating yepayipi.
Ukuba umbhobho uthutha ulwelo oludlekayo, olufana neeasidi, iialkali, izinyibiliko zetyuwa, njl.njl., ngoko ke kufuneka ukhethe ipeyinti enqanda ukonakala enokumelana nokhukuliseko lwemichiza ehambelana nayo. Umzekelo, umbhobho ohambisa iasidi yesulfuric kufuneka usebenzise ipeyinti enganyangekiyo kwiasidi, kwaye umbhobho ohambisa isisombululo sesodium hydroxide kufuneka usebenzise ipeyinti enganyangekiyo yealkali.
Ukuhanjiswa kwezinto ezinokutsha kunye neziqhushumbisi ezifana neoyile kunye negesi yendalo, ukongeza ekuqwalaseleni ukusebenza okuchasene nomhlwa, kuyafuneka ukuba ukhethe ipeyinti yombhobho esebenza kakuhle echasene ne-static ukuthintela ukuqokelelwa kombane ongatshintshiyo ekubangeleni umlilo. okanye iingozi zokudubula.
Ukuba ukutya okanye umbhobho wamanzi okusela, ukhetho lwepeyinti lungqongqo ngakumbi, kufuneka lusebenzise ipeyinti yokukhusela indalo engenabungozi ehlangabezana nemigangatho yezempilo, ukuqinisekisa ukuba izinto ezihanjiswayo azingcoliswanga, ukukhusela impilo kunye nokhuseleko loluntu. .

(C) Iimeko zokwakha

Iimeko zokwakha zinefuthe elithe ngqo ekukhethweni kunye nesiphumo sokwakhiwa kwepeyinti yombhobho. Indlela yokwakha, ukungena komoya kwindawo yokwakha, kunye neemfuneko zonyango olungaphezulu zizinto zonke ezifuna ukuqwalaselwa.
Iipeyinti zepayipi ezahlukeneyo zifanelekile kwiindlela ezahlukeneyo zokwakha. Ngokomzekelo, ezinye iipeyinti zifanelekile ukuxubha ngenxa ye-viscosity ephezulu kwaye zinokudibaniswa ngokufanayo kumphezulu wombhobho phantsi kwesenzo sebrashi; Ezinye iipeyinti zifaneleke ngakumbi ukutshiza ngenxa yokuba zenza i-coating encinci, i-uniform coating.
Ukungena komoya kwindawo yokwakha nako kubalulekile. Kwiindawo ezingenamoya kakuhle, ipeyinti ene-low volatile organic compounds (VOC) kufuneka ikhethwe ukunciphisa umonakalo kwimpilo yabasebenzi bokwakha kunye nokungcoliseka kwendalo.
Ukongezelela, iimfuno zonyango zombhobho wombhobho nazo ziyakuchaphazela ukhetho lwepeyinti. Ukuba umphezulu wombhobho unomhlwa kakhulu okanye kukho ungcoliseko olufana ne-oyile, kuyafuneka ukuba kukhethwe ipeyinti yombhobho esakwazi ukubambelela kakuhle phantsi kweemeko zomphezulu ezingentle, okanye kunyango lomphezulu ongqongqo ngakumbi phambi kokwakhiwa.

(D) Uhlahlo lwabiwo-mali

Xa ukhetha ipeyinti yombhobho, uhlahlo lwabiwo-mali luyinto engenakunakwa. Ixabiso leentlobo ezahlukeneyo kunye neempawu zepeyinti yombhobho zihluka kakhulu, ngoko ke kuyimfuneko ukukhetha ngokufanelekileyo ngokwebhajethi phantsi kwesiseko sokuhlangabezana neemfuno zokukhusela.
Ngokuqhelekileyo, iipeyinti zombhobho ophezulu zibiza kakhulu, kodwa zinokunika ubomi obude benkonzo kunye nokukhusela okungcono. Ukuba uhlahlo lwabiwo-mali lulinganiselwe, unokukhetha ezinye iimveliso ezingabizi kakhulu, kodwa qiniseka ukuba ukusebenza kwayo kunokuhlangabezana neemfuno ezisisiseko zokukhusela umbhobho.
Ngexesha elifanayo, kuyimfuneko kwakhona ukuqwalasela iindleko zokugcinwa kwepeyinti yombhobho. Ezinye iipeyinti zombhobho womgangatho ophezulu, nangona utyalo-mali lokuqala luphezulu, lunokuba noqoqosho ngakumbi ekuhambeni kwexesha ngenxa yokuqina kwayo okuhle kunye nokugcinwa okuphantsi rhoqo.

I-4, iteknoloji yokwakha yepeyinti yepayipi

Ubuchwephesha bokwakha obuchanekileyo likhonkco elibalulekileyo lokuqinisekisa umphumo wokukhusela wepeyinti yombhobho. Kuphela ngokulandela ngokungqongqo inkqubo yokwakha esemgangathweni sinokuqinisekisa ukuba umgangatho kunye nokusebenza kokugquma kuhlangabezana neenjongo ezilindelekileyo.

(1) Unyango lwangaphandle

Ukunyangwa komphezulu linyathelo eliphambili lokwakhiwa kwepeyinti yombhobho, kwaye umgangatho wayo uchaphazela ngokuthe ngqo ukunamathela kunye nokukhusela umphumo wokugquma.
Phambi konyango lomphezulu, umphezulu wombhobho kufuneka ucocwe ngokucokisekileyo ukuze kususwe izinto ezingcolisa izinto ezifana neoyile, uthuli, umhlwa, kunye neoksidi. Kwimibhobho enqabileyo kakhulu, unyango lokususa i-rust luvame ukuqhutyelwa nge-sandblasting, pickling, ukugaya kunye nezinye iindlela. Ukugqabhuka kwesanti yindlela eqhelekileyo yokususa umhlwa, esusa irusi kunye nomaleko we-oxidation ngokubetha umphezulu wombhobho ngamasuntswana esanti atshizwe ngesantya esiphezulu, ukuze umphezulu ufikelele kuburhabaxa obuthile kwaye uphucule ukuncamathela kotyatyazo. I-Pickling kukusetyenziswa kwesisombululo se-asidi ukunyibilikisa umhlwa kunye neoksidi kumphezulu wombhobho, kodwa kuyimfuneko ukunikela ingqalelo kunyango lwe-neutralization kunye nokuhlamba emva kokukhetha ukuthintela i-asidi eshiyekileyo ekubangeleni umhlwa wesibini kumbhobho. Ukusila kufanelekile kwi-rust yendawo okanye indawo encinci yonyango lomhlaba.
Ukongeza kokususa i-rust, kuyimfuneko kwakhona ukususa ioli kunye nothuli phezu kombhobho. Iindlela ezinjengokucoca i-solvent, ukucoca i-lye okanye ukugungxulwa kwamanzi ngoxinzelelo oluphezulu zingasetyenziswa. Emva kokuba unyango oluphezulu lugqityiwe, kufuneka luhlolwe kwangethuba ukuze kuqinisekiswe ukuba umphezulu wombhobho uhlangabezana neemfuno ezicacileyo zokucoceka kunye noburhabaxa.

(2) Ukugquma kwangaphambili

I-pre-coating yinkqubo yokugubungela kwangaphambili iindawo zombhobho onzima ukupeyinta, njenge-weld, ikona, i-bolt joint.
Ngenxa yobume obuntsonkothileyo, la malungu aqheleke kwiingxaki ezinjengokugquma obhityileyo kunye nokungabikho kokutyabeka kwindlela eqhelekileyo yokupeyinta, ngoko ke kufuneka baphathwe kwangaphambili. Ipeyinti esetyenziswe kwi-pre-coating kufuneka ifane neyona nto iphambili, kwaye ukwakhiwa kufuneka kuqhutywe ngebrashi okanye isibhamu esincinci sokutshiza ukuqinisekisa ukuba ezi nxalenye zikhuselwe ngokufanelekileyo.

(3) Ukupeyinta

Ukupeyinta ikhonkco eliphambili lokwakhiwa kwepeyinti yombhobho, ngokohlobo lwepeyinti yepayipi kunye neemfuno zokwakha, khetha indlela efanelekileyo yokudweba.
I-brush ye-brush yindlela yokugqoka yendabuko, ifanelekile kwindawo encinci, imilo enzima yombhobho okanye ukulungiswa kwendawo. Xa usebenzisa i-brush, qaphela ubunzima kunye nobubanzi be-bristles, kunye nolwalathiso kunye namandla e-brush, ukuqinisekisa ukuba i-coating ifana kwaye akukho ukuvuza.
I-roller coating ifanelekile kwindawo enkulu yombhobho osicaba, inokuphucula ukusebenza kakuhle kolwakhiwo, kodwa ubukhulu bokwambathisa buncinci.
I-roller coating ifanelekile kwindawo enkulu yombhobho osicaba, inokuphucula ukusebenza kakuhle kolwakhiwo, kodwa ubukhulu bokwambathisa buncinci.

Ngathi

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