Material Analysis
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PPO Automotive Interior and Exterior Application
Fenómeno do problema
【Problem Phenomenon】Material selection for automotive instrument panel frames and interior parts requires heat resistance, dimensional stability and flame retardancy
Análise das causas
PPE/HIPS blends have mature automotive applications: instrument panel frames, interior parts, glove boxes, fuse boxes, connectors, wheel hub caps, rearview mirror housings; flame retardant grades cover electrical parts
Solução
Select grades with PPO content matching the heat resistance grade; select UL94 certified grades for electrical parts; utilize its rigidity in thin-wall design; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Conclusão principal
PPO in automotive ranges from instrument panels to fuse boxes, with a complete grade matrix; 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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