Material Drying
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TPU Medical Application
Fenómeno del problema
Medical TPU products show performance decline after sterilization, or processing defects cause biocompatibility risks
Análisis de la causa
Medical grade TPU does not contain hydrolysis-resistant agents, and drying requirements are stricter to 0.02%; the sterilization method must be compatible with the material; processing defects may become biocompatibility hazards
Solución
①Dry medical grade TPU to below 0.02%; ②Choose the sterilization method according to material compatibility; ③Zero-tolerance management of processing defects; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Conclusión clave
Medical TPU is the highest standard of drying and defect control; the 0.02% red line plus zero tolerance protects biological safety; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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