QB 1132-1991
Regulations on the Thickness of Silver Coverings for Jewelry (English Version)

Standard No.

QB 1132-1991

Language

Chinese, Available in English version

Release Date

1991

Published By

Professional Standard - Light Industry

Status

Be replaced 2006-05

Replace By

QB 1132-2005

Latest

QB 1132-2005

Scope

This standard specifies the technical requirements and markings for the thickness of the silver covering of jewelry products. This standard applies to jewelry products with non-silver matrix.

QB 1132-1991 history

• 2005 QB 1132-2005 Jewellery-the provision of silver coatings tickness
• 1991 QB 1132-1991 Regulations on the Thickness of Silver Coverings for Jewelry