Product Quality Evaluation and Labelling Assessment
2026-09-07The appearance and performance of jewellery also attract considerable attention. Most metal jewellery on the market suffers from various quality issues after a period of wear, such as chain breakage, slipping and falling off of ear nuts, metal corrosion, surface tarnishing and so on.
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序号 |
类别 |
检测项目 |
检测方法 |
|
1 |
Visual Quality |
Appearance and workmanship defects |
internal method or client-specified method |
|
2 |
Product Dimensions |
internal method or client-specified method |
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|
3 |
Product Weight |
internal method or client-specified method |
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4 |
Strength Performance |
Tensile breaking strength |
internal method or client-specified method |
|
5 |
Pressure Bending Test (For hollow products or components only) |
internal method or client-specified method |
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|
6 |
Pull-out Strength Test for Inlaid Components |
internal method or client-specified method |
|
|
7 |
Bending Resistance of Earring Hooks |
internal method or client-specified method |
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|
8 |
Anti-slip Test for Earring Backs |
internal method or client-specified method |
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|
9 |
Closing Strength Test for Earring Clasps (Earrings only) |
internal method or client-specified method |
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|
10 |
Bending Test (Pendants, brooches, etc. only) |
internal method or client-specified method |
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|
11 |
Fitting Strength Test (Pendants, brooches only) |
internal method or client-specified method |
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12 |
Pressure Test — Ring Bending Strength (Rings only) |
internal method or client-specified method |
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|
13 |
Corrosion Resistance Test |
Sulphide tarnish test |
QJ 484 or HATEK internal method |
|
14 |
Salt Spray Test |
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 |
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|
15 |
Artificial Sweat Immersion Test |
internal method or client-specified method |
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16 |
Temperature Resistance Test |
internal method or client-specified method |
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|
17 |
Constant Temperature & Humidity Test |
internal method or client-specified method |
Accurate and clear label information is critical for product traceability, usage and identification. Relevant label requirements are shown below:
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No. |
Content |
Test Method |
Regulatory Standards |
|
1 |
Country of Origin |
19 CFR 134 |
19 CFR 134 |
|
2 |
Tracking Label (for children’s products) |
CPSIA |
CPSIA |