Restriction of Hazardous Substances Directive: These are the specified rules and standards for the use of certain hazardous substances in electric and electronic products. Adopted by European Union in February 2003 and RoHS 1 directive started effectively from 1 July 2006 in accordance with each member being part of that imitative. Any business selling these electric or electronic to consumers or supplying these to RoHS countries must acquire this certification to comply with regulations of law.
ELECTROTECH process for ROHS Certification
Documentation of the whole manufacturing process and use of restricted materials, Review Bill of Materials, assembly drawings, Materials Declarations based on reports, testing, and added elements.
Re-inspecting the whole manufacturing process to meet with restricted substances permissible limits.
Preparing the unit for Stage I and Stage II audit respectively
Reviewing the manufacturer site for XRF testing to determine RoHS restricted substance list
After a successful audit, RoHS Certification is issued
These are the restricted substances with their permissible limits.
Lead (Pb): < 1000 ppm
Mercury (Hg): < 100 ppm
Cadmium (Cd): < 100 ppm
Hexavalent Chromium: (Cr VI) < 1000 ppm
Polybrominated Biphenyls (PBB): < 1000 ppm
PolybrominatedDiphenyl Ethers (PBDE): < 1000 ppm
Bis(2-Ethylhexyl) phthalate (DEHP): < 1000 ppm
Benzyl butyl phthalate (BBP): < 1000 ppm
Dibutyl phthalate (DBP): < 1000 ppm
Diisobutyl phthalate (DIBP): < 1000 ppm
Products that use these substances and need ROHS certification
Paints and pigments
PVC (vinyl) cables as a stabilizer (e.g., power cords, USB cables)
Solders
Printed circuit board finishes, leads, internal and external interconnects
glass in television and photographic products (e.g., CRT television screens and camera lenses)
Metal parts
Lamps and bulbs
Batteries
Integrated circuits or microchips