Daim Ntawv Thov Tseem Ceeb Scenarios & Painting Requirements
Ib puag ncig atmospheric (nyob deb nroog, nroog, me me suburban cheeb tsam)
Tsis tas yuav pleev xim rau saum npoo. SPA-C yuav ib txwm tsim ib qho zoo sib xws thiab compact patina nyob rau hauv 1-3 xyoos ntawm kev tawm sab nraum zoov, uas zoo tiv thaiv cov dej noo, oxygen thiab cov hmoov av me me. Kev siv liab qab nyob rau hauv cov cheeb tsam no tsis tsuas yog ua kom muaj kev tiv thaiv corrosion tab sis kuj khaws cov khoom zoo nkauj ntawm cov huab cua.
Kev lag luam me me / lub teeb ntug ntug dej hiav txwv (tsawg ntsev tsuag, tsis tshua muaj sulfur dioxide concentration)
Kev pleev xim tseem tsis tsim nyog rau kev tiv thaiv cov qauv. Txhawm rau txhawb kev tsim cov patina sai dua thiab ntau dua, tsuas yog kev ntsuas yooj yim xws li ua kom cov dej ntws zoo thiab qhov cua (tsis txhob ncua sij hawm ntev - cov dej sib sau) los yog lub teeb sandblasting pretreatment yog xav tau, es tsis txhob pleev xim. Kev siv liab qab tseem yog qhov kev xaiv zoo tshaj plaws ntawm no rau tus nqi thiab kev saib xyuas kom zoo.
Ib puag ncig sab nraum zoov hnyav (nrog cov ntug dej hiav txwv loj nrog cov tshuaj ntsev ntau, cov chaw lag luam hnyav nrog cov pa phem, thaj chaw ntub dej thiab los nag nrog kev ntub dej tsis tu ncua)
Nto pleev xim los yog pob tshab breathable sealer yogpom zoo heev(txawm tsis yog kiag li). Nyob rau hauv cov cheeb tsam no, siab concentrations ntawm chloride ions, kua qaub pos huab los yog lub caij ntuj no ntub dej yuav ua rau qeeb ntuj tsim patina los yog ua rau tsis sib xws thaum ntxov rusting; Cov txheej txheej tiv thaiv xim los yog sealer tuaj yeem ua kom ruaj khov ntawm cov hlau nyob rau hauv cov theem thaum ntxov, thaiv qhov kev yaig ntawm cov xov xwm corrosive, thiab pab cov patina daim ntawv ruaj khov nyob rau lub sijhawm, txuas ntxiv lub neej ntawm cov hlau.
Tshwj xeeb ua haujlwm / zoo nkauj sab nraum zoov xav tau
Kev pleev xim tuaj yeem raug coj los siv rau qhov tsis yog -corrosion- cov hom phiaj tiv thaiv, xws li tiv thaiv cov xeb thaum ntxov los ntawm cov khoom siv hauv tsev staining, ua kom cov patina zoo ib yam nrog cov patina accelerator (hloov cov xim ib txwm siv), lossis siv lub sealer meej los kho cov patina qhov tsos. Hom txheej txheej no yog xaiv tau thiab tsis tas yuav tsum tau rau cov hlau cov txheej txheem kev tiv thaiv corrosion.
