Processing Machinery
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PBAT color stability
Problem Phenomenon
PBAT product color batch differences, heat history and formulation fluctuations.
Cause Analysis
PBAT heat history color influence; formulation batch differences; processing temperature fluctuation; pigment stability; detection standards.; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solution
①Heat history control; ②formulation batch management; ③temperature stabilization; ④pigment selection; ⑤color difference detection.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
PBAT color stability requires full-process management; heat history is the main variable; detection ensures consistency.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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