Nickel-free jewellery · order testing
Nickel-free jewellery and EN 1811 compliance
Skin-contact pieces use a nickel-free base layer, with order-specific testing and inspections through wax, casting, finishing and plating.
Nickel release
EN 1811 and REACH Annex XVII limits
For prolonged skin contact, the nickel release limit is 0.5 µg/cm²/week. For posts inserted into pierced ears, the limit is 0.2 µg/cm²/week. EN 12472 wear simulation is performed before the nickel release test on plated items.
Skin-contact pieces use a nickel-free base layer. Test reports are issued with every order, so the result belongs to the ordered piece and plating construction.
In-process inspection
Checks throughout production
Inspection is carried out at the wax, casting, finishing and plating stages. After plating, pieces are inspected before packing.
- 01Wax
- 02Casting
- 03Finishing
- 04Plating
Production route
A 19-step process
Design, 3D wax printing, master model, stone-seat adjustment, rubber mould, wax injection, wax inspection, machine wax setting, hand wax setting, wax tree, casting, sprue cutting and grinding, tumbling, casting inspection, soldering, hand finishing, plating, plating inspection, packing and shipping.
Markets
Testing for the destination
For US retail, lead and cadmium requirements are handled against CPSIA and California Prop 65. For EU jewellery, nickel release is assessed against EN 1811 and REACH Annex XVII, with EN 12472 wear simulation for plated items.
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