Blow Molding
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PPO vs PC/ABS Material Selection Comparison
Problem Phenomenon
[Problem Phenomenon] The housing part wavers between PPO/PS and PC/ABS, making performance and cost hard to balance
Cause Analysis
PPO/PS has excellent heat resistance, dimensional stability and electrical properties, while PC/ABS has better toughness and surface; PPO has the advantage in humid-heat and electrical scenarios, while PC/ABS has the advantage in appearance and impact-resistance scenarios
Solution
Select material according to core requirements: choose the PPO series for humid-heat and electrical applications, and PC/ABS for appearance and impact resistance; establish a material selection matrix for evaluation; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Key Takeaway
For PPO versus PC/ABS, choose the former for humid-heat and electrical applications and the latter for appearance and impact resistance; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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