This standard supersedes the part of glass products for holding food in "Packaging Glass Containers - Release of Lead Cadmium Arsenic and Antimony-Permissible Limits" (GB 19778-2005).
Compared with GB 19778-2005, the main changes in this standard are as follows:
- Standard name is revised as "National Food Safety Standard - Glass Products";
- Scope is modified;
- Terms and definitions are modified;
- Raw material requirements are added;
- Sensory requirements are added;
- Physical and chemical indexes are modified;
- Requirements for the cooking ware and peristome are added;
- Requirements for migration test are added;
- Requirements for glass products identification are added.
National Food Safety Standard
Glass Products
食品安全國家標準
玻璃制品
1 Scope
This standard is applicable to food contact glass products.
2 Terms and Definitions
2.1 Flat products
Products in which the distance from the mouth along horizontal plane to the lowest internal plane is less than or equal to 25mm.
2.2 Storage tank
Hollow products with volume larger than or equal to 3L.
2.3 Hollow products
Products in which the distance from the mouth along horizontal plane to the lowest internal plane is greater than 25mm.
2.4 Large hollow products
Hollow products with volume larger than or equal to 1.1L and less than 3L.
2.5 Small hollow products
Hollow products with volume less than 1.1L.
2.6 Cooking ware
Products used for heating and preparing foods.
2.7 Peristome
Fringe area 20mm away from the mouth directly contacting the glass product with external festoonery.
2.8 Fins
The residual material from corner caused by the mismatch among neck mould, blank mould and forming mould on the machine-made or manual moulded product.
3 Basic Requirements
The food contact glass products shall meet the requirements of GB 4806.1.
4 Technical Requirements
4.1 Raw material requirements
Raw material for the glass products shall meet the requirements specified in GB 4806.1.
4.2 Sensory requirements
The glass products shall be free from fins, crack and damaged notch.
4.3 Physical and chemical indexes
Physical and chemical indexes shall meet those specified in Table 1.
Table 1 Physical and Chemical Indexes
Item Index Inspection method
Flat products /(mg/dm2) Storage tank/
(mg/L) Large hollow products /
(mg/L) Small hollow products /
(mg/L) Cooking ware /(mg/L) Peristome requirements/
(mg/L)
Plumbum (Pb)≤ 0.8 0.5 0.75 1.5 0.5 4.0 GB 31604.34
Cadmium (Cd)≤ 0.07 0.25 0.25 0.5 0.05 0.4 GB 31604.24
5 Others
5.1 Migration test
5.1.1 Basic requirements
Unless otherwise definitely specified in 5.1.2 and 5.1.3, migration test shall be implemented according to the requirements of GB 31604.1 and GB 5009.156.
5.1.2 Food simulants
Only 4% acetic acid solution (volume fraction) shall be adopted for food simulants.
5.1.3 Migration test conditions (time and temperature)
Only the conditions listed in Table 2 shall be selected for the temperature and time of migration test.
Foreword I
1 Scope
2 Terms and Definitions
3 Basic Requirements
4 Technical Requirements
5 Others
