Hauv qee cov av, zinc coatings tsim ib txheej tiv thaiv zinc carbonate uas muab kev tiv thaiv anodic rau steel yeeb nkab substrates. Txawm li cas los xij, qhov ua tau zoo ntawm kev tiv thaiv no txawv nyob ntawm cov khoom hauv av. Raws li kev tshawb fawb cov ntaub ntawv, thaum av pH nyob nruab nrab ntawm 4.3 thiab 9.2, yim cov qauv tau mus kuaj 3-6 xyoo. Rau qhov kev sim siab no tau pom tias muaj kev xeb tsawg tsawg ntawm zinc txheej. Qhov tshwj xeeb tshaj yog, zinc txheej tau ntsib qhov kev xeb loj tshaj plaws hauv cov av alkaline nrog cov hluav taws xob tiv thaiv siab thiab nce cov dej noo.
Feem ntau hais lus, qhov nruab nrab corrosion ntawm zinc txheej ntawm galvanized steel yeeb nkab yog 1.56-280 g / m2·y.
24. Cov zinc txheej corrode hauv av li cas?
Nov 28, 2025
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