Material Analysis
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PETG product hygienic performance substandard
Fenómeno do problema
In the migration testing of PETG food contact products, certain substances exceed the standard.
Análise das causas
The raw material is not food-grade specification and contains restricted additives or monomer residues; high processing temperature produces new migrants.
Solução
Use FDA/EU certified PETG grades; strictly control processing temperature; prohibit recycled material of unknown origin.
Conclusão principal
PETG food contact safety needs to be guaranteed from raw material certification and process control.
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