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Do your buckles contain nickel? - Buckle material
Hongmioo buckles are available in nickel-free options. For clients requiring nickel-free hardware — such as those with nickel allergies or selling into EU markets — we recommend stainless steel buckles, or zinc alloy buckles with nickel-free coating finishes.
Buckle Materials & Nickel Content
| Material | Nickel Content | Recommended For |
|---|---|---|
| Stainless Steel (SS304, SS316) | Contains nickel in alloy — but nickel is bound and generally non-reactive | Hypoallergenic use, medical, tactical |
| Zinc Alloy (Nickel-Free Coating) | Base contains no nickel; coating may be nickel-free by request | Fashion belts, nickel-sensitive wearers |
| Solid Brass | No nickel content | Premium belts, nickel-sensitive wearers |
| Aluminum | No nickel content | Lightweight tactical, sports belts |
| Carbon Fiber | No nickel content | Premium tactical, modern fashion |
| Standard Zinc Alloy (Standard Coating) | May contain trace nickel in coating | General use, not for nickel-allergic |
EU Nickel Directive Compliance
For EU market products, Hongmioo offers buckles tested to comply with EU Nickel Directive (REACH Annex XVII, entry 27), which limits nickel release to less than 0.5 µg/cm²/week for prolonged skin contact items.
- Specify "nickel-free" or "EU nickel compliant" when ordering
- We source nickel-free coating materials from certified suppliers
- Test reports available upon request