Processing Machinery
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LLDPE film food contact compliance
Problem Phenomenon
Food packaging customers require migration testing and compliance declarations.
Cause Analysis
Food contact film has mandatory requirements on raw material and additive compliance; recycled material and non-food-grade additives are risk points.; During on-site troubleshooting, verify item by item according to this mechanism, avoiding blindly adjusting the machine based only on experience.
Solution
①Select food-grade resin and additives; ②obtain supplier compliance declarations; ③perform migration testing; ④establish batch traceability.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability.
Key Takeaway
Food compliance is a market access issue; supply chain management is the first line of defense.; 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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