Material Analysis
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PPO Material Modification Directions
Problem Phenomenon
[Problem Phenomenon] Standard PPO performance is not satisfactory; how to choose the modification direction
Cause Analysis
PPO can be blended and modified with ABS, HDPE, PPS, PA, HIPS, glass fiber, etc.: glass fiber reinforces rigidity, elastomer toughens, and alloying improves chemical resistance or processability
Solution
Select the modification direction according to the gap in performance: glass fiber for rigidity, elastomer for toughness, PA alloy for chemical resistance; develop in collaboration with the material supplier; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Key Takeaway
PPO has a rich modification menu, and selecting the direction according to the shortcoming is the key; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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