QB 2457-1999
sunglasses (English Version)
- Standard No.
- QB 2457-1999
- Language
- Chinese, Available in English version
- Release Date
- 1999
- Published By
- Professional Standard - Light Industry
- Latest
- QB 2457-1999
- Scope
- This standard specifies the requirements, test methods, inspection rules and marking, packaging, transportation and storage of flat sunglasses with consistent optical density. This standard applies to sunglasses, light-colored sunglasses and sunglasses for special purposes (skiing, beach, mountain climbing, etc.). Not suitable for goggles against artificial light radiation and glasses for correcting vision.
QB 2457-1999 history
- 1999 QB 2457-1999 sunglasses
