Processing Machinery
7 visualizaciones
LLDPE Stress Cracking
Fenómeno del problema
LLDPE container cracks after being filled with active agent
Análisis de la causa
Environmental stress cracking resistance is better than LDPE but still limited; During on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based solely on experience; This mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
Solución
Select a high ESCR grade; reduce stress in structure; compatibility verification; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability; Change only one variable at a time and record parameter changes to facilitate locating effective measures
Conclusión clave
For stress cracking, select material by ESCR; After confirming effectiveness, solidify 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
¿Le ha resultado útil?
0 personas encontraron esto útil
¡Gracias por sus comentarios!