Testing Requirements
3.1 Raw Material Requirements
a. The raw materials used in food contact paper and paperboard materials and products should not be harmful to human health. The fiber raw materials should be mainly plant fibers, and the synthetic fiber raw materials contained should meet the requirements of the corresponding national food safety standards.
b. The use of additives in food contact paper and cardboard materials and products should comply with the provisions of GB 9685 and related announcements.
3.2 Sensory Requirements
|
Item |
Requirements |
|
Sens |
Normal color and luster, Odorless, No dirt, etc |
|
Soak solution |
No deterioration with turbidity, sedimentation and foreign odor in the soak solution obtained in the migration test |
3.3 Physical and Chemical Indicators
Paper and paperboard materials and products that are expected to come into direct contact with liquid food or have free water or free fat on the surface should comply with the requirements of the following table.
|
Item |
Index |
|
Lead |
≤3.0mg/kg |
|
Arsenic |
≤1.0mg/kg |
|
Formaldehyde |
≤1.0mg/dm2 |
|
Fluorescent Substances Wavelength 254nm and 365nm |
Negative |
|
1,3-Dichloro-2-propanol/(μg/L) |
Not detectable (DL=2μug/L) |
|
3-Chloro-1,2-propanediol/(ug/L) |
12 |
3.4 Migration Index
|
Item |
Index |
|
Overall Migration |
≤10 mg/dm2 |
|
Heavy metals (lead) |
≤1mg/kg |
3.5 Microbiological Limits
The microorganisms of paper and paperboard materials and products that are expected to come into direct contact with food and are used directly without disinfection or cleaning should comply with the following regulations, except for paper and paperboard materials and products that come into contact with food that needs to be peeled, shelled or washed before eating, cooking or processing.
|
Item |
limit |
|
Coliform bacteria/(/50cm2) |
Not to be detected |
|
Salmonella/(/50cm2) |
Not to be detected |
|
Mold/(CFU/g) |
≤50 |