This standard specifies the sensory indicators, physical and chemical indicators and inspection methods for various indicators of ceramic tableware containers. This standard is applicable to all kinds of tableware and containers of rough pottery, fine pottery and porcelain fired at high temperature after adding feldspar and quartz to adjust its technological properties and glazed with clay.
GB 13121-1991 history
2016GB 4806.4-2016 National Food Safety Standard Ceramic Products
1991GB 13121-1991 Hygienic standard of ceramics for food containers