Piercing Post Assemblies
Piercing post assemblies are the product category evaluated in LGC 2003, a final report on nickel sensitisation risk from stainless steel posts inserted into pierced ears and other pierced body parts during wound epithelization.
Category 1 Boundary
This is not an infant/child food product page. It exists because the source’s actual product category must be visible and connected, but it does not create food occurrence evidence for the Category 1 build.
Source-Grounded Values
| Value | Scope | Source treatment |
|---|---|---|
| 0.05% m/m Ni | Nickel Directive content limit for homogeneous post assemblies during epithelization, as described in the report. | Existing regulatory comparator. |
| 0.5 µg/cm2/week | Nickel Directive release-rate limit for direct and prolonged skin-contact products, as described in the report. | Regulatory comparator for skin-contact products. |
| 0.2 µg/cm2/week | Migration limit recommended by LGC 2003 for all post assemblies tested under EN 1811. | Report recommendation, not food evidence. |
| <0.01 µg/cm2/week | Detection-limit context for finished stainless steel wires and commercial stainless steel piercing post assemblies in the report. | Context-only experimental finding. |
Product Evidence
LGC 2003 preserves the following product/material groups:
| Source product/material group | Exact source table location |
|---|---|
| 316L Stainless Steel Plates | Table 1. 316L Stainless Steel Plates; Table 4. Nickel Release from Stainless Steel Plates in Different Simulants |
| Stainless Steel Wires | Table 2. Stainless Steel Wires; Table 5 Nickel Release from Stainless Steel Wire in Different Simulants Using EN 1811; Table 7 and Table 8 commercial laboratory confirmations |
| Stainless Steel Piercing Post Assemblies | Table 3. Stainless Steel Piercing Post Assemblies; Table 6 C3012231 Nickel Release from Finished Articles in Different Simulants Using EN 1811 |
| Gold-plated stainless ear studs and butterflies | Table 6 (Cont’d) C3012232 Nickel Release from Finished Articles in Different Simulants Using EN 1811 |
Related Pages
Sources
Auto-generated from source-page frontmatter. The “Used on this page for” column is populated by the orchestrator’s POPULATE-SOURCE-LEGEND action; pending entries appear as *[awaiting synthesis]*.
| # | Citation | Year | Type | Used on this page for |
|---|---|---|---|---|
| 1 | LGC 2003. Risk of sensitisation of humans to nickel by piercing post assemblies, Final Report submitted under EC Contract ETD/FIF.2001592 | 2003 | Government report | EC-commissioned LGC dossier characterising Ni release from stainless steel piercing post assemblies in artificial sweat; foundational evidence for EU Nickel Directive compliance and dermal Ni sensitisation risk for this non-food product row |