Processing Machinery
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Food Contact of PLA Products
Problem Phenomenon
Compliance requirements for food packaging.
Cause Analysis
PLA has good biocompatibility but requires food-grade compliance; additives are the risk point.; During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Solution
①Select food-grade grades; ②Request compliance declarations; ③Migration testing; ④Establish traceability.; After adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Key Takeaway
Food-grade PLA supply chain management.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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