-
Daim ntawv tsis muaj sulfur
Sulfur-dawb ntawv yog ib daim ntawv tshwj xeeb padding siv hauv PCB silvering txheej txheem nyob rau hauv Circuit Court board manufacturers kom tsis txhob muaj cov tshuaj tiv thaiv ntawm nyiaj thiab sulfur nyob rau hauv cov huab cua.Nws txoj haujlwm yog kom tsis txhob muaj tshuaj lom neeg cov tshuaj tiv thaiv ntawm cov nyiaj hauv cov khoom siv electroplating thiab sulfur hauv huab cua, kom cov khoom tig daj, ua rau muaj kev phiv tshuaj.Thaum cov khoom tiav lawm, siv cov ntawv tsis muaj sulfur los ntim cov khoom kom sai li sai tau, thiab hnav cov hnab looj tes tsis muaj sulfur thaum kov cov khoom, thiab tsis txhob kov cov electroplated nto.