Processing Machinery
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PET geotextile
Fenómeno del problema
PET geotextile strength decays rapidly in alkaline soil
Análisis de la causa
PET has poor alkali resistance; the alkaline soil environment causes hydrolytic degradation of fibers and long-term strength loss; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solución
Switch to PP geotextile in alkaline environments; limit PET geotextile to neutral environments and conduct alkali resistance verification; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Conclusión clave
Geotextile material selection must consider the soil chemical environment; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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