Processing Machinery
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PVB Plasticizer Uneven Distribution
Fenómeno del problema
PVB film flexibility and impact performance are inconsistent, plasticizer is unevenly dispersed, locally too hard or too soft.
Análisis de la causa
PVB needs to be blended with plasticizer to obtain the required flexibility and performance; plasticizer is unevenly dispersed; insufficient mixing process; proportion control inaccurate.; When troubleshooting on site, verify item by item according to this mechanism, avoiding blind machine adjustment based only on experience
Solución
①Precise proportioning of plasticizer and resin; ②Mixing process optimization to ensure uniform dispersion; ③Dispersion uniformity detection; ④Formula management specifications.; After adjustment, continuously sample to verify the effect, confirm stability before resuming mass production
Conclusión clave
Uniform dispersion of PVB plasticizer determines performance consistency; mixing process is the key; detection and verification ensure quality.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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