California Proposition 65 Test Report for Electronic Data Cables
Date：2026-06-10 09:38:48 Classification
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Explanation of California Proposition 65 Testing Report for Electronic Data Cables
California Proposition 65 is a mandatory regulation in California concerning hazardous chemicals in consumer products. As frequently exported consumer products, electronic data cables require testing for substances such as lead, cadmium, and phthalates.
I. Why do data cables need California Proposition 65 testing?
Data cables typically consist of a PVC outer sheath, alloy metal connectors, internal copper core wires, a plastic outer shell, and solder. During use or disposal, the following hazardous substances may be released:
Lead (Pb): A common component in PVC stabilizers, solder, and alloys.
Cadmium (Cd): Pigments and stabilizers.
Phytates (DEHP, DBP, BBP, DINP, etc.): PVC plasticizers.
Brominated flame retardants (PBB, PBDE): Flame-retardant plastics.
Nickel (Ni): Required in metal connectors (required for some models).
If these substances exceed the safety exposure thresholds of California Proposition 65 and the product does not have a warning label, penalties of up to $2,500 per day may be incurred for each violation.
II. Routine Items in the Test Report
| Test Area | Key Detected Substances
| ① Cable Outer Sheath (PVC/TPE) | DEHP, DBP, BBP, DINP, Lead, Cadmium
| ② Metal Connector/Plug | Lead, Cadmium, Nickel, Chromium (Soluble)
| ③ Plastic Shell | Phthalate, Lead, Cadmium, Bisphenol A (BPA)
| ④ Internal Solder Joint | Lead (Pb)
| ⑤ Overall Finished Product Screening | Heavy Metals (Lead, Cadmium, Mercury, Hexavalent Chromium) + Phthalate (Full Set)
Note: Specific items are subject to laboratory protocols and client requirements.
III. California Proposition 65 Testing Process
1. Needs Communication → Clarify product category, target audience (adults/children), and sales channels
2. Sample Preparation → Customer sends finished products or raw materials to a third-party laboratory
3. Disassembly and Segmentation → Sampling is performed on the outer casing, connectors, PCB board, solder joints, etc.
4. Chemical Testing → Instruments such as ICP-OES, XRF, and GC-MS are used.
5. Result Evaluation → Comparison with California Proposition 65's NSRL (No Significant Risk Level) / MADL (Maximum Allowable Dose Level)
6. Report Issuance → English version of the test report (including detected values, limits, and judgment conclusions)
7. Label Compliance → Design compliance warning labels (WARNING statements) when necessary.
IV. Common Testing Standards and Methods
| Substance | Commonly Used Testing Methods
| Total Lead, Total Cadmium | EPA 3050B + ICP-OES
| Soluble Heavy Metals | EN 71-3 / ASTM F963 / California AB 1818
| Phthalate | CPSC-CH-C1001-09.3 (GC-MS)
| Bisphenol A | Solvent Extraction + LC-MS/MS
| Brominated Flame Retardant | EPA 3540C / GC-MS
V. Report Validity and Recommendations
Report Validity: Usually 1 year (no uniform mandatory requirement; annual retesting or retesting when product formulation changes is recommended)
Suggested Labeling Content (e.g., exceeding thresholds):
WARNING: This product can expose you to chemicals including [chemical name], which is known to the State of California to cause cancer/birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
VI. Recommended Laboratories (for reference)
It is recommended to choose an institution with complete CPSC and CNAS accreditations.
DEZEW Testing CNAS Registration Number: L8083
Shen Gongwang Security: 44030602006947