Production & Quality
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PLA Composting Degradation Claims
Problem Phenomenon
Customers complain that PLA products do not degrade for years in the natural environment, inconsistent with the claims
Cause Analysis
PLA requires industrial composting conditions (above 58℃, high humidity, microorganisms) to degrade rapidly in 3-6 months; degradation is extremely slow in natural environments and home composting
Solution
①Claims clearly mark the industrial composting premise; ②Product design considers actual disposal paths; ③Label per certification standards (EN13432 etc.); after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Key Takeaway
PLA degradation is a conditional promise; the industrial composting premise must be clear in claims and labeling; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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