Material Drying
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PPO Home Appliance Component Application
Problem Phenomenon
【Problem Phenomenon】Refrigerator, washing machine and dishwasher components need heat resistance, humidity resistance and dimensional stability
Cause Analysis
PPE/HIPS is used in refrigerators, washing machines, dryers, dishwashers, power tools and other home appliance components and housings; low moisture absorption ensures wet-condition dimensions and electrical performance
Solution
Select PPO series for home appliance damp-heat components; select UL94 grades for flame retardant requirement parts; utilize low creep characteristics for structural parts; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Key Takeaway
Home appliance damp-heat environments are PPO's strength, from refrigerators to power tools; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems
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