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Thailand will restrict fluoropolymer coated appliances
Time：
2022-12-01
In November, Thailand informed the WTO that the "Draft Standard on Fluoropolymer Coated Appliances in Contact with Food (TIS 2622-2556 (2013))" submitted last year had been officially published and would come into force on April 2, 2024.
In November, Thailand informed the WTO that the "Draft Standard on Fluoropolymer Coated Appliances in Contact with Food (TIS 2622-2556 (2013))" submitted last year had been officially published and would come into force on April 2, 2024.
TIS 2622-2556 specifies the scope of application, dimensions, materials, functional requirements, labels and identifications of fluoropolymer coating appliances, as follows:
Scope of application
TIS 2622-2556 is only applicable to appliances made of metal substrate, directly in contact with food and used for heating and cooking. It does not include electric cooking appliances such as air fryers and induction cookers.
Size and error range
The size of the container shall be determined by both the supplier and the demander, but shall be within the+2.5% error range.
Material requirements
The fluorine containing coating material used for containers and appliances must be one of the following materials:
- teflon;
- Perfluoroalkoxyalkanes;
- Tetrafluoroethylene/hexafluoropropylene.
The manufacturer must show the certificate or analysis document of the material issued by the accreditation body of the Office of Industrial Product Standards.
Functional requirements
Appearance
TIS 2622-2556 requires that the coating must be uniform and smooth without pinholes, bubbles, cracks or coating peeling and other defects. There shall be no sharp parts and no harm to users.
Physical and chemical indicators
The physical and chemical index requirements of TIS 2622-2556 for fluorine containing coating are shown in the following table.
| Test items | Limit | |
| Evaporation residue | Volume ≤ 500cm3 or ＞ 10dm3 | 10 mg/dm2 |
| 500cm3 ＜ volume ≤ 10dm3 or contact area cannot be determined | 60 mg/kg | |
| Consumption of potassium permanganate | 10 mg/dm3 | |
| Heavy metals (calculated by lead) | 1mg/dm3 | |
| Lead content | 100mg/kg | |
| Cadmium content | 100mg/kg | |
Physical and mechanical properties
TIS 2622-2556 requires that the coating will not fall off slightly when the test grid area does not exceed 5%, and the maximum tensile force of the coating adhesion does not exceed 3N, hardness, scrub resistance, etc.
Label identification
Each container or appliance must be marked with:
- Size and capacity;
- The name, address or registered trademark of the manufacturer;
- The product name or other meanings in this standard refer to the name of the product in this standard;
- Coating materials;
- Maximum service temperature;
- Production date, month, year or model code;
- Use methods and precautions.
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