Saurin juye pcb saman jiyya HASL LF RoHS

Tsarin allo na HASL gabaɗaya yana nufin tsarin kushin HASL, wanda shine suturar tin akan yankin kushin da ke saman allon kewayawa.Yana iya taka rawar anti-lalata da anti-oxidation, da kuma iya ƙara lamba wurin tsakanin kushin da kuma soldered na'urar, da kuma inganta amincin soldering.Takamammen ƙayyadaddun tsari ya haɗa da matakai da yawa kamar tsaftacewa, shigar da sinadarai na tin, jiƙa, da kurkura.Sa'an nan kuma, a cikin wani tsari kamar sayar da iska mai zafi, zai mayar da martani don samar da haɗin gwiwa tsakanin tin da na'ura mai tsauri.Yin feshin kwano a allunan kewayawa tsari ne da aka saba amfani da shi kuma ana amfani da shi sosai a masana'antar kera kayan lantarki.

Gubar HASL da HASL mara gubar fasaha ce ta jiyya ta sama guda biyu waɗanda galibi ana amfani da su don kare abubuwan ƙarfe na allunan kewayawa daga lalata da iskar shaka.Daga cikinsu, sinadarin gubar HASL ya ƙunshi 63% tin da kuma 37% gubar, yayin da HASL maras gubar ya ƙunshi tin, jan ƙarfe da wasu abubuwa (irin su azurfa, nickel, antimony, da sauransu).Idan aka kwatanta da HASL na tushen gubar, bambanci tsakanin HASL mara gubar shine ya fi dacewa da muhalli, saboda gubar abu ne mai cutarwa da ke jefa muhalli da lafiyar ɗan adam.Bugu da ƙari, saboda abubuwa daban-daban da ke ƙunshe a cikin HASL maras gubar, siyar da kayan sa da kayan lantarki sun ɗan bambanta, kuma yana buƙatar zaɓar ta bisa takamaiman bukatun aikace-aikacen.Gabaɗaya magana, farashin HASL mara gubar ya ɗan fi na gubar HASL, amma kariyar muhalli da aikin sa ya fi kyau, kuma masu amfani da yawa sun fi son shi.

Domin bin umarnin RoHS, samfuran hukumar da'ira suna buƙatar cika waɗannan sharuɗɗan:

1. Abubuwan da ke cikin gubar (Pb), mercury (Hg), cadmium (Cd), chromium hexavalent (Cr6+), polybrominated biphenyls (PBB) da polybrominated diphenyl ethers (PBDE) ya kamata ya zama ƙasa da ƙayyadaddun ƙimar iyaka.

2. Abubuwan da ke cikin karafa masu daraja kamar bismuth, azurfa, zinariya, palladium, da platinum yakamata su kasance cikin iyakoki masu ma'ana.

3. Abubuwan halogen ya kamata ya zama ƙasa da ƙayyadaddun ƙimar iyaka, ciki har da chlorine (Cl), bromine (Br) da iodine (I).

4. Hukumar kewayawa da abubuwan da ke cikinta yakamata su nuna abun ciki da amfani da abubuwan da suka dace da guba da cutarwa.Abin da ke sama yana ɗaya daga cikin manyan sharuɗɗan allon da'ira don bin umarnin RoHS, amma takamaiman buƙatun suna buƙatar ƙaddara bisa ga ƙa'idodin gida da ƙa'idodi.