Cov kav hlau yuav tsum tau muab yaug nrog dej tam sim ntawd tom qab tshem tawm ntawm cov tshuaj tua kab kom tsis txhob muaj teeb meem hauv qab no:
(1) Nws tiv thaiv cov kua qaub uas tseem tshuav ntawm cov kav dej steel los ntawm kev txuas ntxiv mus rau corrode lub substrate.
(2) Nws tiv thaiv hlau ntsev adhering rau saum npoo ntawm cov yeeb nkab steel los ntawm oxidized los ntawm oxygen nyob rau hauv cov huab cua, converting ferrous ntsev (divalent hlau) rau hauv hlau ntsev (trivalent hlau) uas nyuaj rau tshem tawm, piv txwv li, converting ferrous sulfate rau hauv. ferric sulfate.
(3) Nws txo qhov tsim ntawm zinc slag.
(4) Nws pab txhim kho qhov zoo ntawm zinc txheej rau ntawm qhov chaw ntawm cov kav dej galvanized, txo lossis tshem tawm cov txheej txheem uas ploj lawm.
