People now pay more attention on the appearance and performance of jewelry. At present most of the metal jewelry in the market have a series of quality problems, such as the chain break, the ear post slip off, the metal rusted or turned dark after worn a period of time.
Quality Assessment for Jewelry and Accessories
| No. | Items | Testing methods | Regulation & Standard |
| 1 | Appearance Quality | Workmanship/Defects | In-house method or buyer’s method |
| 2 | Dimensions (L x W x H) | In-house method or buyer’s method | |
| 3 | Weight | In-house method or buyer’s method | |
| 4 | Strength Performance | Tensile Test | In-house method or buyer’s method |
| 5 | Compression Dent Test (Hollowware items only) | In-house method or buyer’s method | |
| 6 | Setting Strength Test | In-house method or buyer’s method | |
| 7 | Earring (Hook Bend Strength) | In-house method or buyer’s method | |
| 8 | Earring Post Backing (Earrings only) | In-house method or buyer’s method | |
| 9 | Earring Snap Bar Open/ Closure Force (Earrings only) | In-house method or buyer’s method | |
| 10 | Bending Strength (Pendant/ Brooches only) | In-house method or buyer’s method | |
| 11 | Attachment Strength (Pendant / Brooches only) | In-house method or buyer’s method | |
| 12 | Compression Test – Ring Collapse (Rings only) | In-house method or buyer’s method | |
| 13 | Anti-corrosion | Decolorization test of sulfide | QJ 484or In-house method |
| 14 | Salt Spray (Fog) Test (NSS, AASS, CASS) | EN 60068-2-11 EN 60512-11-6 GB/T 2423.17 QB/T 3826 QB/T 3827 QB/T 3828 GB/T 1771 ISO 9227 ASTM B368 ASTM B117 | |
| 15 | Tarnish Resistance (Perspiration soak method ) | In-house method or buyer’s method | |
| 16 | Heat Exposure | In-house method or buyer’s method | |
| 17 | Effects of Humidity | In-house method or buyer’s method |
Accurate and clear label information is extremely important for the product traceability, use and identification.
Label Assessment for Jewelry and Accessories
| No. | Items | Testing methods | Regulation & Standard |
| 1 | Country of Origin Marking | 19CFR 134 | 19CFR 134 |
| 2 | Tracking Labels (for Children’s Products) | CPSIA | CPSIA |
