Processing Machinery
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PBAT ultraviolet protection
Problem Phenomenon
PBAT outdoor applications undergo ultraviolet aging, and insufficient protection causes rapid performance decline.
Cause Analysis
PBAT ultraviolet sensitivity; insufficient anti-UV agent; influence of thickness and color; outdoor environment intensity; service life requirements.; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solution
①Add anti-UV agent; ②thickness and color design; ③outdoor environment evaluation; ④accelerated aging test.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
PBAT outdoor applications must have UV protection; formulation and design are equally important; testing verifies service life.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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