Processing Machinery
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EVA foaming edge scrap recycling
Fenómeno del problema
Product performance declines after blending edge scrap.
Análisis de la causa
Foamed edge scrap is already crosslinked and cannot be remelted for processing; crushing and blending affects the foaming uniformity of new material.; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based on experience alone
Solución
①Control the blending ratio of recycled material; ②homogenize the crushing particle size; ③evaluate physical recycling and chemical recycling; ④do not use recycled material for key products.; after adjustment, take consecutive samples to verify the effect, and resume mass production only after confirming stability
Conclusión clave
The recycling of crosslinked foamed material is an industry challenge; ratio control and application grading are realistic practices.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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