GB 44702-2024 in English
VALIDSpecification for the limitation of harmful substances found in watch casings contacting directly with skin
- Issued on:2024-09-29
- Implemented on:2025-10-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$185.00
| Standard No: | GB 44702-2024 |
| Document status: | VALID |
| Title in English: | Specification for the limitation of harmful substances found in watch casings contacting directly with skin |
| Title in Chinese: | 直接接触人体皮肤的手表外观件中有害物质限量的规定 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2024-09-29 |
| Implemented on: | 2025-10-01 |
| ICS Classification: | 39.040.10-Watches |
| Chinese Classification: | Y11-Horology |
| Professional Classification: | GB-National Standard |
| Related Keywords: | harmful substances
watch casings standard frameworks material type restricted substances limit value hazardous substances skin introduction |
| Related Topics: | GB/6675.4
The mass of the contact plate Restrictions on the Use of Hazardous Substances |
《GB 44702-2024直接接触人体皮肤的手表外观件中有害物质限量的规定》由339（工业和信息化部）归口，委托TC160SC3（全国钟表标准化技术委员会手表材料及外观件分会）执行。
Introduction
1. Background and significance of standard formulation
With the increasing popularity of watch products, especially the widespread use of children's watches, the harmful substances in their appearance parts may pose a potential threat to human health. This standard aims to regulate the limit requirements for harmful substances in watch appearance parts that directly contact human skin to ensure product quality and safety.
2. Comparative Analysis of Standard Frameworks
| Material Type | Restricted Substances | Limit Value (mg/kg) | Test Method |
|---|---|---|---|
| Metals and Cermets | Nickel Release | ≤0.5 μg/cm²/week | EN 1811 and EN 12472 |
| Leather Materials | Heavy Metals, Hazardous Substances | - | GB 20400 |
| Plastics and Rubber | Cadmium (Cd), Lead (Pb), Mercury (Hg) | ≤100, ≤1000, ≤1000 | GB/T 39560.301, GB/T 39560.4 |
3. Implementation suggestions and precautions
a. For manufacturers:
- Establish a raw material supplier management system to ensure that the materials meet the standard requirements.
- Perform regular type inspections, recommended at least once a quarter.
- Strengthen quality control during the production process, especially the detection of plasticizers and migratable elements for children's watches.
b. For sellers:
- Implement a strict purchase acceptance system to ensure that products meet the requirements of GB 44702.
- Sampling inspections are recommended for inventory goods, especially for products that are stored for a long time.
- Provide consumers with detailed product identification and safe use instructions.
c. For consumers:
- Choose regular channels to purchase watch products, and give priority to products with quality certification marks.
- For children's watches, it is recommended to regularly check whether the exterior parts are damaged or abnormal.
- If adverse reactions such as skin allergies are found, stop using it immediately and seek professional testing.
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