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RoHS detection

Restriction of Hazardous Substances Directive

EU RoHS, also known as the Directive on the Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment, refers to the reduction of environmental and health risks caused by hazardous substances in electrical and electronic equipment (EEE).

The original directive 2002/95/EC came into effect on July 1, 2006, covering eight categories of electronic and electrical equipment (EEE) with direct current below 1500V and alternating current below 1000V. The directive stipulates that in newly launched EEEs, the content of lead (Pb), mercury (Hg), hexavalent chromium (Cr (VI)), polybrominated biphenyls (PBBs), and polybrominated diphenyl ethers (PBDEs) in homogeneous materials shall not exceed 1000ppm, and the content of cadmium (Cd) shall not exceed 100ppm.

RoHS 2.0 (2011/65/EU) came into effect on July 21, 2011 and was officially implemented on January 3, 2013 (abolished on the same day as 2002/95/EC).

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RoHS 2.0 Important Changes

Incorporate CE marking requirements and become one of the EU CE marking directives

Except for the above electronic and electrical products that must comply with (LVD), electromagnetic compatibility (EMC), energy-related products (ErP) and RoHS2.0 directives, in order to affix the CE mark and issue a declaration of conformity, RoHS2.0 also requires manufacturers to issue supporting technical documentation and retain it for ten years.

Expand the scope of controlled products

Newly added to the scope of control are medical devices and monitoring devices, as well as other electronic and electrical devices. To give manufacturers of newly included ROHS 2.0 controlled products sufficient time to comply with the directive requirements, ROHS 2.0 sets a control transition period for relevant products.

Priority selection of four toxic and harmful substances (HBCDD, DEHP, DBP and BBP) as candidate restricted substances, which may be included in control in the future.

  • HBCDD hexabromododecane 1000ppm
  • DEHP phthalate (2-ethylhexyl) ester 1000ppm
  • DBP phthalate dibutyl 1000ppm
  • BBP phthalate butylbenzyl 1000ppm

Restricted Substances

Restricted Substances in Homogeneous Materials

Restricted Substances in Homogeneous Materials, except for special provisions, the concentration shall not exceed 0.1% (1000ppm) of the homogeneous material, and the concentration of cadmium shall not exceed 0.01% (100ppm) of the homogeneous material

Exemptions

Exemptions specified in Annex III, these clauses are updated regularly, and special attention should be paid to the update situation

Homogeneous Material Definition

Homogeneous materials are materials that cannot be mechanically separated, such as plastic, ceramic, glass, metal, alloy, paper, board, coating, finish, paint, pigment, welding material, and electroplating layer, etc.

Testing Methods

IEC 62321 series standards specify the testing methods for RoHS harmful substances, including X-ray fluorescence spectrometry (XRF) and gas chromatography-mass spectrometry (GC-MS), etc.