The EU RoHS directives defines 0.1 Wt% (1000ppm) as the threshold for lead per homogeneous material if not intentionally introduced (i. E. Each material prior to soldering).

• 欧盟RoHS指令规定规定；在未故意放入的情况下；每种相同材料的含铅量阈值为0.；1重量百分比(1000ppm)(例如；焊接之间的每种材料)。