California 65 testing items and requirements for electronic equipment and access
Date：2025-07-23 09:37:24 Classification
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According to California Proposition 65, electronic devices and accessories must be tested for chemical substances in accessible parts to ensure compliance with limit requirements for more than 900 hazardous substances. The following are the core test items and requirements:
I. Classification of core test items
1. Heavy metal detection
- Lead (Pb)
- Surface coating (such as paint, printing layer): ≤90ppm
- Non-coated metal/plastic parts (such as housing, circuit board): ≤100ppm
- Special parts such as solder joints and batteries: ≤300ppm
- Cadmium (Cd)
- General limit: ≤300ppm (non-jewelry products)
2. Phthalates
- Controlled substances: DEHP, BBP, DBP, DIDP, DnHP, etc.
- Limit requirements: ≤0.1% (i.e. 1,000ppm) for each, applicable to cables, plastic housings, and soft parts
3. Bisphenol A (BPA)
- Limit: ≤1,000ppm, for polycarbonate materials (such as mobile phone cases, display screens)
4. Flame retardants (Flame Retardants)
- Typical substances: TCEP, TCPP, TDCPP, etc.
- Limit value: ≤25ppm, applicable to insulating materials and circuit board substrates
II. Additional requirements for special scenarios
1. Priority testing of accessible parts
- Parts that are in direct contact with the human body, such as shells, buttons, interfaces, etc., need to be tested in detail.
2. Battery products
- Lithium-ion batteries need to be additionally tested for cobalt and nickel migration (refer to the new terms added in 2024).
3. Exemption conditions
- Non-removable parts (such as packaged chips) that meet RoHS standards can apply for partial exemptions.
III. Testing process and report requirements
1. Sample preparation
- Provide complete finished products (including accessible parts), and different materials need to be tested separately.
2. Testing cycle
- Conventional testing: 5-7 working days (extended to 10 days for complex products).
3. Labels and warnings
- If the lead content is ≥90ppm or the phthalate content exceeds the limit, it must be marked: "WARNING: Contains lead".
IV. Key points
1. Regulatory dynamics
- California 65 updates the list of hazardous substances every year, and you need to pay attention to the latest limits (such as the addition of cobalt and nickel control in 2024).
2. Compliance recommendations
- Give priority to laboratories with CMA+CNAS qualifications (such as Dezewei).
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