Molds & Tooling
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TPU product microbial attack
Fenómeno del problema
Product surfaces mold and degrade in underground or humid environments.
Análisis de la causa
Polyester-type TPU is susceptible to microbial attack; polyether-type has good antimicrobial performance; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solución
①select polyether-type for environments prone to attack; ②evaluate antimicrobial additives; ③do environmental tests; ④regularly check product condition; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Conclusión clave
Microbial attack is a specific environmental risk; material selection can fundamentally solve it; 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 similar problems later
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