Cov khoom ntawm cov yeeb yaj kiab passivation
Tom qab tshuaj xyuas cov zaj duab xis passive, nws tau pom tias cov kev sib tw chromium yog qhov ntau tshaj plaws muaj ntau yam, ua raws li los ntawm dej, thiab tom qab ntawd hoxaN
Hauv qee cov kev sib tw daws cov qauv, acids xws li nitric acid, sulfuric acid, thiab acetic acid ntxiv. Qhov zoo ntawm kev ua yog li hauv qab no: nws txhawb nqa cov kev sib cais n
Cov neeg sawv cev tshaj plaws rau cov tshuaj lom neeg rau chromate passivation daws hauv Suav teb tau siv rau ntau xyoo dhau los. Tom qab xws li lub sijhawm ntev lub sijhawm, nws t
Thawj txoj kev kho Passus uas siv rau hauv kev tsim cov galvanized steel kav hlau thoob ntiaj teb yog chromate passivation thiab phosphating kev kho mob. Tus qub yog tsuas yog thov
(1) txhawm rau txhim kho cov qauv txheej txheem thiab cov teeb meem ntawm Galvanized Txheej deg degree; (2) txhawm rau txhim kho cov corrosion tsis kam thiab kev pabcuam lub neej n
Thaum ib daig ntawm cov hlau yog muab tso rau hauv cov roj diluted, nws yuav yaj cov viginal thiab emit liab liab, uas qhia txog kev xeb ntawm cov hlau. Txawm li cas los xij, yog h
Tom qab tshem tawm cov yeeb nkab galvanized los ntawm cov dej txias, nws tseem yuav tsum tau yauv mus kho passivation. Yog hais tias cov dej txias ua kom zoo rau sab hauv thiab sab
Qhov laj thawj rau kev pom vaub kib nria txawv txawv ntawm saum npoo ntawm galvanized steel kav dej tom qab dej txias
Cov laj thawj yog vim li cas qee cov tib galvanized steel kav bend puas hnyav ntxiv tom qab dej txias
Txhawm rau tiv thaiv galvanized steel kav los ntawm kev khoov thaum lub sijhawm dej txias, ntsuas qhov ntsuas kub ntawm cov kav dej hauv qab no yuav tsum tsis txhob ua kom dhau los
Nyob rau hauv cov txheej txheem dej txias rau galvanized steel kav dej, nws tau stipulated Qhov no yog kom txo qhov kub sib txawv ntawm cov kav hlau galvanized tom qab cua txias ra