Material Analysis
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PSU Food Contact Safety
Problem Phenomenon
Customers require migration test data for PSU food-contact products; supplier documentation is incomplete; compliance verification is difficult.
Cause Analysis
PSU food contact applications require migration testing compliant with relevant regulations; material formulation and processing technology affect migration amounts; supplier compliance documents are incomplete; test cycles are long.
Solution
①Select food-grade certified grades; ②Obtain complete compliance documents; ③Third-party migration testing when necessary; ④Establish compliance archives.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
PSU food contact compliance is a prerequisite for market access; grade certification and test data are both indispensable; archive management responds to audits.; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence
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