Material Analysis
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PBT Floating Fiber Material Countermeasures
Problembeschreibung
After process optimization, floating fiber is still obvious, and the customer rejects appearance parts
Ursachenanalyse
Process improvement of floating fiber has an upper limit; the material side is the radical cure: specially surface-treated glass fibers enhance bonding; compatibilizers such as SOG act as a bridge to increase the bonding force between PBT and glass fiber
Lösung
①Select grades with surface-treated glass fiber; ②Add compatibilizers such as SOG to improve the interface; ③For parts with strict appearance requirements evaluate mineral filling as a substitute; after adjustment, take samples continuously to verify the effect, and resume mass production only after confirming stability
Wichtigste Erkenntnis
The radical cure for floating fiber lies in interface chemistry; compatibilizers and surface-treated glass fiber are the two keys on the material side; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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