What is the ROHS standard?
RoHS stands for Restriction of Certain Hazardous Substances. More detailed information on the the website: http://www.rohs.gov.uk/ ;Here some info in a nutshell: It is aimed to remove six hazardous substances from the manufacturing process: ” Cadmium (Cd) ” Mercury (Hg) ” Hexavalent chromium (Cr (VI)) ” Polybrominated Biphenyls (PBBs) ” Polybrominated Diphenyl Ethers (PBDEs) ” Lead (Pb).The aim of the standard is to restrict hazardous substances polluting the environment when being disposed of at end of serviceable life. Often they are simply just dumped in landfills. The substance of most significance is Lead as it is the main element in solders and solder pastes. Solder comprises 60% Tin (Sn) and 40% Lead (Pb). The challenge is to find alternative materials to Lead to make solder. This is no easy task, there been many attempts to find suitable alternatives to solder and undoubtedly in the future this will happen but right now best replacements for traditional tin/lead solders are cop
