Processing Machinery
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PA12 Fuel Line Oil-resistant Application
Fenómeno do problema
【Problem phenomenon】When selecting materials for fuel system pipelines, there was concern about the long-term oil resistance of plastics, and whether PA12 could do the job was in doubt
Análise das causas
PA12 has excellent resistance to hydrocarbon fuels, engine oil, and hydraulic fluid, with more than 20 years of verified service records in automotive fuel pipes and offshore flexible risers; low hygroscopicity ensures dimensional and performance stability in wet state
Solução
Prioritize evaluating PA12 for fuel lines and oil system components; check long-term resistance data according to medium composition and temperature; perform long-term sealing verification at joints with metal fittings; after adjustment, take consecutive samples to verify the effect, and resume mass production only after confirming stability
Conclusão principal
PA12 oil resistance has 20 years of actual ship and vehicle endorsement, and fuel lines are a mature application; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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