RoHS Testing Standard Guide
EU Restriction of Hazardous Substances Directive: compliance requirements, restricted substances, and industry impact
About RoHS Directive
RoHS (Restriction of Hazardous Substances) is an environmental regulation established by the EU to restrict the use of specific hazardous substances in electrical and electronic equipment (EEE). First implemented in 2003, the latest version is RoHS 3 (Directive 2011/65/EU), which added four new phthalate restrictions.
Purpose & Significance of RoHS
Environmental Protection
Reduces hazardous substances in EEE, prevents heavy metals and flame retardants from contaminating soil and water, and minimizes the environmental impact of e-waste.
Health Protection
Limits consumer and worker exposure to hazardous substances, reduces health risks from toxic materials like lead and mercury, especially for children and pregnant women.
Green Manufacturing
Drives the electronics industry to adopt eco-friendly materials and processes, promotes circular economy development, and enhances product lifecycle sustainability.
Market Acces
RoHS-compliant products can bear the CE mark, meet EU market requirements, and enhance international competitiveness.
RoHS Restricted Substances
- Lead (Pb) - Found in solder, glass, PVC stabilizers. Maximum allowable concentration: 0.1%
- Mercury (Hg) - Used in fluorescent lamps, switches, and relays. Maximum allowable concentration: 0.1%
- Cadmium (Cd) - Present in batteries, plating layers, and pigments. Maximum allowable concentration: 0.01%
- Hexavalent Chromium (Cr6+) - Used in metal anti-corrosion coatings. Maximum allowable concentration: 0.1%
- Polybrominated Biphenyls (PBB) - Flame retardants in plastic casings and circuit boards. Maximum allowable concentration: 0.1%
- Polybrominated Diphenyl Ethers (PBDE) - Flame retardants in plastic casings and circuit boards. Maximum allowable concentration: 0.1%
New Restricted Substances in RoHS 3
In 2015, four additional phthalate restrictions were added: DEHP, BBP, DBP, DIBP (each 0.1%), widely used in cables, plastics, and coatings.
RoHS Compliance Scope
RoHS Directive applies to 11 categories of EEE products:
- Large household appliances
- Small household appliances
- IT & telecom equipment
- Consumer electronics
- Lighting equipment
- Toys & leisure devices
- Vending machines
- Photovoltaic panels
- Temperature exchange equipment
RoHS Compliance Requirements
Manufacturer Obligations
Material Testing
Conduct XRF screening and chemical analysis on raw materials and finished products to ensure hazardous substances remain below threshold limits.
Technical Documentation
Prepare detailed technical files including material declarations, test reports, and conformity assessments.
Supply Chain Management
Establish supplier audit mechanisms, obtain material composition declarations, and ensure entire supply chain compliance.
CE Marking
Affix CE mark to products, sign Declaration of Conformity, and establish internal production control procedures
Compliance Process |
Implementation Timeline |
| Determine product category and applicable requirements | RoHS 1: July 1, 2006 |
| Identify components potentially containing restricted substances | RoHS 2: January 2, 2013 |
| Collect supplier material declarations | RoHS 3: July 22, 2019 |
| Conduct necessary product testing | Medical devices: July 22, 2021 |
| Prepare technical documentation and Declaration of Conformity | Industrial monitoring equipment: July 22, 2024 |
| Affix CE mark | / |
Industry Impact & Future Trends
Industry Challenges
1, Increased material substitution costs (lead-free soldering costs 25-40% more)
2, Complex supply chain transparency management
3, Rising testing and certification costs
4,Shortened product update cycle
Development Opportunities
1,Green technology innovation (bio-based materials, non-toxic flame retardants)
2, Circular economy business model development
3, Eco-product premium (consumers willing to pay 5-15% more)
4, Emerging market access (50+ countries adopt RoHS-like regulations)
Future Regulatory Trends
The EU plans to expand the restricted substance list (including beryllium, cobalt salts), lower existing substance thresholds, broaden product scope (including more industrial equipment), and integrate RoHS requirements with the EU Green Deal.
GRGTEST RoHS Testing
GRGTEST RoHS testing mainly focuses on testing electronic and electrical products for EU RoHS restricted substances, assessing material risks, assisting in the writing of hazardous substance control documents, providing training and consulting services for enterprise quality departments and supplier control, and conducting random inspections of enterprise or supplier RoHS regulations.
© 2025 RoHS Compliance Guide | EU Directive 2011/65/EU Implementation Points
This guide provides general information and does not constitute legal advice | Refer to official documents for compliance requirements