Dab tsi yog prepainted xim hlau kauj?
Cov Lus Txhais Txog Khoom
Prepainted steel kauj yog ib yam khoom ua los ntawm kub dip galvanized hlau, kub dip galvalume hlau, electro galvanized hlau, thiab lwm yam, uas yog coated nrog ib lossis ntau txheej ntawm ntuj txheej rau ntawm qhov chaw tom qab pretreatment nto (tshuaj degreasing thiab tshuaj hloov kho), tom qab ntawd kho nrog kev pab ntawm ci. Nws yog lub npe tom qab lubxim coated steel kaujnrog ntau yam xim ntawm cov organic coatings, thiab yog xa mus rau ua ntej pleev xim steel kauj.
Cov yam ntxwv ntawm cov khoom
Cov kauj hlau uas tau pleev xim ua ntej yog lub teeb thiab zoo nkauj, muaj kev tiv thaiv corrosion zoo, thiab tuaj yeem ua tiav ncaj qha. Lawv muab ib hom khoom siv tshiab rau kev lag luam kev tsim kho, kev lag luam nkoj, kev lag luam tsim tsheb, kev lag luam khoom siv hauv tsev, kev lag luam hluav taws xob, thiab lwm yam.
Keeb Kwm Kev Loj Hlob ntawm Pre-painted Coil Steel
Cov Txheej Txheem Ntau Lawm ntawm Prepainted Steel Coil
Muaj ntau ntau cov txheej txheem tsim khoom rau kev pleev xim ua ntejxim coated steel coilsCov txheej txheem siv feem ntau yog cov txheej txheem txheej txheem ib txwm muaj + cov txheej txheem ci. Vim tias feem ntau cov txheej txheem rau kev tsim kho yog ob zaug txheej txheem, cov txheej txheem ob txheej txheem ib txwm muaj thiab ob txheej txheem ci yog cov txheej txheem tsim xim txheej txheem feem ntau. Cov txheej txheem tseem ceeb ntawm chav tsev txheej xim suav nrog kev kho ua ntej, txheej txheem, thiab ci.
Cov qauv ntawm Prepainted Steel
1) Txheej sab saum toj: tiv thaiv lub hnub ci thiab tiv thaiv cov teeb ultraviolet los ntawm kev ua puas rau lub txheej; thaum lub txheej sab saud ncav cuag qhov tuab uas tau teev tseg, nws tuaj yeem tsim cov zaj duab xis tiv thaiv tuab, txo cov dej permeability thiab oxygen permeability.
Txheej txheej primer: pab txhawb kom muaj zog lo rau lub substrate, ua rau nws tsis tshua muaj peev xwm rau cov xim kom desorb tom qab cov xim zaj duab xis tau permeated nrog dej, thiab tseem txhim kho kev tiv thaiv corrosion, vim tias cov primer muaj cov xim tiv thaiv corrosion, xws li chromate pigments, uas passivate lub anode thiab txhim kho kev tiv thaiv corrosion.
2) Txheej hloov pauv tshuaj lom neeg: txhim kho qhov kev sib txuas ntawm lub phaj (galvanized, galvalume, zn-al-mg, thiab lwm yam) thiab txheej (xim)
3) Xim hlau txheejFeem ntau yog zinc txheej, aluzinc txheej thiab zinc txhuas magnesium txheej, uas muaj qhov cuam tshuam loj tshaj plaws rau lub neej ua haujlwm ntawm cov khoom. Lub tuab dua cov xim hlau txheej, qhov siab dua qhov corrosion tsis kam.
4) Cov hlau puag: siv cov phaj txias dov, thiab cov khoom sib txawv txiav txim siab qhov ua tau zoo ntawm cov phaj xim, xws li lub zog
5) Txheej hauv qab: tiv thaiv cov hlau phaj kom tsis txhob xeb los ntawm sab hauv, feem ntau yog ob txheej txheej (2/1M lossis 2/2 primer txheej + txheej hauv qab), yog tias siv ua phaj sib xyaw, nws raug pom zoo kom siv cov qauv ib txheej (2/1)
Hom Xim
Xaiv ib hom xim zoo, ua rau nws ruaj khov dua thiab tiv taus xeb zoo dua
Sherwin Williams
Valspar
Akzo Nobel
Nippon
Beckers
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Lub sijhawm tshaj tawm: Lub Kaum Hli-16-2024
