gb 28480-2012, the first mandatory jewelry and ornaments (exceptjewels and jades) standard, has been effective on may 1, 2013. this standard specifies requirements for various types ofnon－precious metals jewelry and ornaments (except jewels and jades). for precious metal jewelry, harmful substances are restricted in another mandatory standard gb 11887-2012 "jewelry-the purity provisions of the precious metals and naming methods". two standards regular toxic substances in all metal jewelry, and the heavy metals and the limits are the same in them.
jewelry | items | requirements |
children’s jewelry | lead | 300 ppm |
cadmium | 100 ppm | |
arsenic /mercury /hexavalent-chromium | 1000 ppm | |
nickel release | body pierced: 0.2 µg/cm2/week directly and prolonged contact withthe skin: 0.5 µg/cm2/week | |
8 soluble heavy metals | pb: 90 ppmcd: 75 ppm hg: 60 ppmcr: 60 ppm as: 25 ppmse: 500 ppm sb: 60 ppmba: 1000 ppm | |
adults’ jewelry | lead | 1000 ppm |
cadmium | 100 ppm | |
arsenic /mercury /hexavalent-chromium | 1000 ppm | |
nickel release | body pierced: 0.2 µg/cm2/week directly and prolonged contact withthe skin: 0.5 µg/cm2/week | |
remark: jewelry made of other materials should meetthe corresponding requirements of national standard if the corresponding national has beenpublished, such as, textile jewelry should meet the gb 18401, leather jewelry should meet the gb 20400,etc. | ||
