Thoob plaws ntiaj teb, cov kev cai ib puag ncig rau cov khoom siv hluav taws xob tau nruj zuj zus, thiab ntau lub teb chaws thiab cheeb tsam tau tshaj tawm cov cai txwv lossis txwv tsis pub siv cov hlau lead-raws li solder. Piv txwv li, EU's RoHS Directive qhia meej meej txog kev txwv ntawm cov khoom phom sij xws li txhuas hauv cov khoom siv hluav taws xob. Kev ua raws li cov kev cai no tau ua rau muaj kev siv dav dav ntawm cov hlau lead- cov khoom siv dawb hauv cov khoom siv hluav taws xob.
YS/T 1222-2025 Solder Balls thiab Granules (Non-ferrous Metals Industry Standard)
Hnub Tshaj Tawm thiab Kev Ua Haujlwm: Tshaj tawm rau Lub Yim Hli 19, 2025; Pib txij Lub Peb Hlis 1, 2026
Lub Luag Haujlwm: Pawg Neeg Saib Xyuas Kev Ua Haujlwm Hauv Tebchaws ntawm Kev Ua Haujlwm ntawm Cov Khoom Tsis yog-ferrous Metals (SAC/TC 243)
Cov txheej txheem no qhia txog kev faib khoom, kev xav tau, kev xeem, kev soj ntsuam xyuas, ntim, kev thauj mus los, thiab cov ntaub ntawv nrog;
Nws koom ua ke thiab hloov tus thawj YS/T 1222-2018 thiab YS/T 1221-2018;
Nws nruj me ntsis tswj cov ntsiab lus impurity (xws li Pb, As, Cu, thiab lwm yam) los txhim kho cov khoom purity thiab zoo.
