Processing Machinery
2 Aufrufe
PVC Filler Agglomeration
Problembeschreibung
Highly filled PVC products have surface powdering and low strength
Ursachenanalyse
Fillers such as calcium carbonate are poorly dispersed and agglomerated, with weak interfacial bonding; During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience; This mechanism has been repeatedly verified by industry materials, and it should be confirmed first during troubleshooting
Lösung
Filler content control; coupling agent treatment of the filler; assurance of mixing uniformity; After adjustment, take consecutive samples to verify the effect, and resume mass production only after confirming stability; Change only one variable at a time and record parameter changes, so as to locate effective measures
Wichtigste Erkenntnis
High filling relies on dispersion and interface treatment; 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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