On April 21, 2026, Guangdong Consumer Testing Technology Co., Ltd. (CTT) issued a third-party test report for a finished sample identified as onyx round cufflinks gold, submitted by Haosen Jewelry.
The finished cufflink sample was tested for nickel release, lead and cadmium according to the relevant requirements of REACH Regulation (EC) No. 1907/2006 Annex XVII. All three test items received a PASS conclusion. Want to understand how REACH applies to jewelry? Read our guide to REACH compliance for jewelry.
Key Test Report Information
- Report No.: CTT2604012846EN01
- Report Issue Date: Apr21, 2026
- Testing Laboratory: Guangdong Consumer Testing Technology Co., Ltd. (CTT)
- Sample Description: onyx round cufflinks gold
- Sample Quantity: 6pcs
- Regulatory Standards:
- Lead：REACH Annex XVII Item 63
- Cadmium：REACH Annex XVII Item 23
- Nickel Release：REACH Annex XVII Item 27
- Test Methods:
- Lead & Cadmium: CPSC-CH-E1001-08.3
- Nickel Release: EN 1811:2023 & EN 12472:2020
- Reported Compliance Limits:
- Lead: 500 mg/kg
- Cadmium: 100 mg/kg
- Nickel release: 0.88 μg/cm²/week
Finished Cufflinks Test Results
| Tested Items | Limits | Results |
|---|---|---|
Nickel release |
0.88 μg/cm²/week |
N.D.
PASS |
Lead |
500 mg/kg |
46 mg/kg
PASS |
Cadmium |
100 mg/kg |
N.D.
PASS |
N.D. means Not Detected above the laboratory’s stated limit of quantitation.
This means that the submitted cufflink samples comply with the REACH limit requirements specified in the report regarding nickel release, lead content, and cadmium content. For more information about material, finish, structure and production options, explore our cufflink and tie clip manufacturing capabilities.
Looking for Cufflink Product Development Information?
If you are developing cufflinks for your brand or product line, Haosen Jewelry can support discussions around materials, finishes, logo options, packaging, and OEM/ODM production requirements. Learn more about our cufflink manufacturing capabilities. You can also send us your design, reference sample, or target specification for project review.
Discuss Your Cufflink ProjectPreguntas frecuentes
Q1.Did the gold onyx cufflinks pass the REACH test?
Yes. The tested finished cufflink sample received PASS conclusions for nickel release, lead, and cadmium under the listed REACH Annex XVII requirements.
Q2.What were the nickel release test results?
Nickel release was reported as N.D. (Not Detected) for all three tested samples. The report lists an LOQ of 0.05 μg/cm²/week and a limit of 0.88 μg/cm²/week.
Q3.What were the lead and cadmium test results?
Lead was measured at 46 mg/kg, below the stated limit of 500 mg/kg. Cadmium was reported as N.D., with a stated limit of 100 mg/kg. Both received PASS conclusions.
Q4.When was the finished cufflink test report issued?
The report was issued on April 21, 2026, by Guangdong Consumer Testing Technology Co., Ltd. (CTT).
Q5.Does this test report apply to all cufflink products?
No. The report states that the results apply to the sample as received. Different cufflink materials, finishes, plating specifications or product structures may require separate testing.
