Extrusion & Post
12 görüntüleme
PVB Melt Viscosity Instability
Sorun Belirtisi
PVB film thickness and performance fluctuate, melt viscosity is unstable, extrusion process is difficult to control.
Neden Analizi
PVB extrusion needs to maintain stable melt viscosity; temperature and pressure fluctuation effects; raw material batch differences; insufficient plasticization uniformity; any instability leads to final film defects.
Çözüm
①Stable temperature and pressure control; ②Raw material batch management; ③Plasticization system optimization; ④Online monitoring feedback adjustment.; After adjustment, continuously sample to verify the effect, confirm stability before resuming mass production
Temel Çıkarım
PVB melt viscosity stability is the foundation of film quality; multi-parameter stable control; online monitoring is a modern means.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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