Shop with Confidence
Tested with care, sourced with accountability.
Oumo Jewelry works with manufacturing partners and uses third-party random-sample testing as part of its ongoing supplier quality-control process. We select samples from the titanium jewelry we sell, supplied by those partners. When we change manufacturing partners, we arrange new testing.
Read the original SGS reports below for the tested products, methods and results.
ASTM F136 — Chemical Composition
We randomly select actual Oumo titanium jewelry supplied by our manufacturing partners for third-party testing. SGS report GZHL260401779601JW records a passing chemical-composition result for the tested finished titanium piercing jewelry.
- Report date — April 30, 2026
- Specification assessed — ASTM F136-13 (Reapproved 2021)e1
- Result — Chemical composition: Pass, including the applicable product-analysis tolerance
- Oxygen result — 0.14%; the report marks this acceptable under the stated product-analysis tolerance
- Test scope — The chemical-composition analysis shown in this report
Lead & Cadmium — Test Results
A separate SGS report, GZHL260401779501JW, records lead and cadmium as not detected in the tested silvery metal rod. These results support our supplier quality-control process.
- Report date — April 24, 2026
- Lead (Pb) — Not detected; method detection limit 20 mg/kg; report conclusion: Pass
- Cadmium (Cd) — Not detected; method detection limit 5 mg/kg; report conclusion: Pass
- Reported comparison limits — 100 mg/kg for each analyte; the cadmium limit is identified as the client requirement
- Tested part — Silvery metal (rod), identified in the report
A Note on Materials
Our titanium quality process combines partner sourcing and random-sample testing of the products we sell, with new testing when we change manufacturing partners. Each original report identifies the tested sample and analysis. For your chosen piece, read the material and finish on its product page alongside these reports.
Frequently Asked Questions
What does 'implant grade' actually mean?
What does 'implant grade' actually mean?
ASTM F136 specifies chemical, mechanical and metallurgical requirements for Ti-6Al-4V ELI titanium used in surgical-implant manufacture. Our linked SGS report documents chemical-composition testing of finished Oumo titanium jewelry. It records the analysis performed and its passing result.
How does Oumo check the quality of its titanium jewelry?
How does Oumo check the quality of its titanium jewelry?
We randomly select the titanium jewelry we sell, supplied by our manufacturing partners, for third-party testing. When we change manufacturing partners, we arrange new testing. Our SGS composition report records that the tested titanium jewelry met the ASTM F136 chemical-composition requirements stated in the report.
Is this jewelry safe for sensitive skin and nickel allergies?
Is this jewelry safe for sensitive skin and nickel allergies?
Material, finish and individual sensitivity all matter. Check the exact product specifications and discuss a known allergy with your dermatologist or qualified piercer. The reports above document chemical composition and lead/cadmium results; nickel release is a separate test.
Can I wear these during a new piercing?
Can I wear these during a new piercing?
A qualified piercer should select jewelry for a fresh piercing, considering the material, surface, construction, fit and preparation of the complete piece. Bring the product details and available test reports to that discussion.
Where do the reports come from?
Where do the reports come from?
The two original reports linked above were issued by SGS. Open each PDF to see its report number, date, sample description, methods and results.
How often are materials re-tested?
How often are materials re-tested?
We use random-sample testing of the titanium jewelry supplied by our manufacturing partners and sold by Oumo. When we change manufacturing partners, we arrange new testing. Each report shows its issue date and tested sample.
Find your next titanium piece.
Explore our titanium collection, with product specifications and third-party test reports to help you choose.
