Material Analysis
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AEPDS weather resistance advantage
Problem Phenomenon
AEPDS outdoor application has excellent weather resistance, but product defects accelerate aging.
Cause Analysis
AEPDS EPDM rubber has no double bonds, weather resistance better than ABS; but surface defects, internal stress, and contamination become aging starting points; processing quality affects weather resistance performance; long-term performance.
Solution
①Processing quality assurance without defects; ②low stress process; ③surface protection; ④weather resistance test verification.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
AEPDS weather resistance advantage needs processing quality support; defects are aging acceleration channels; verification ensures long-term.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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