Dab tsi yog qhov sib txawv ntawm cov hlau lead-dawb soldering taub thiab lub taub hau ntawm cov hlau lead?
Dab tsi yog qhov phom sij ntawm cov hlau lead soldering hlau?
Cov ntsiab lus ntawm cov hlau lead, cadmium, mercury, thiab hexavalent chromium muaj nyob rau hauv cov khoom siv lead ua hlau taub hau tshaj 1 feem pua.
, cov tshuaj phem no tau pom zoo los ntawm EU ROHS
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Cov hlau lead-dawb soldering taub hau (soldering hlau taub) yog cov hlau lead-dawb nws tus kheej, thiab tom qab ntawd nws yuav raug kho tshwj xeeb kom muaj kev tiv thaiv corrosion ntau dua. Qhov no tsuas tuaj yeem txheeb xyuas los ntawm kev sim thiab siv. Yooj yim muab, cov lus qhia tsis muaj cov hlau lead-dawb yog: cov ntsiab lus ntawm cov hlau lead, cadmium, mercury, thiab hexavalent chromium nyob rau hauv lub taub hau ntawm cov hlau tsis yog siab tshaj tus qauv tsis muaj hlau lead. Lub taub hau hlau uas haum rau phau ntawv tsis muaj cov hlau lead yog cov hlau tsis muaj hlau lead. Cov qauv siv feem ntau yog: EU tus qauv thiab Sony tus qauv
