Vim li cas qhov kub ntawm chromate passivation tov yog tswj nruj me ntsis?

Thaum cov kav dej galvanized tau txais kev kho mob passivation hauv cov tshuaj passivation, qhov kub ntawm cov tshuaj chromate passivation siv yuav tsum nruj me ntsis tswj hauv qab 50 degree. Yog hais tias qhov kub ntawm cov tshuaj passivation siab dhau lawm, nws yuav nyuaj rau tsim ib zaj duab xis passivation rau saum npoo ntawm txheej galvanized. Txij li thaum cov zaj duab xis passivation tuaj yeem yaj hauv dej kub, txawm tias ib zaj duab xis passivation raug tsim los ntawm cov tshuaj passivation, nws muaj peev xwm ua rau nws kawg. Yog li ntawd, thaum lub sij hawm kev kho mob passivation, qhov kub thiab txias tau teev nyob rau hauv cov txheej txheem specifications yuav tsum nruj me ntsis raws li.