Processing Machinery
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PVB Colored Film Color Difference
Problem Phenomenon
PVB colored film batch-to-batch color difference, inconsistent appearance in decorative applications.
Cause Analysis
PVB colored film pigment dispersion; batch consistency; processing temperature influence; testing standards.; during on-site troubleshooting, verify item by item according to this mechanism, avoid blindly adjusting the machine based solely on experience
Solution
①Pigment dispersion process optimization; ②Batch management; ③Temperature stability; ④Unified color difference testing standards.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
Color difference management of PVB colored film is decorative quality; dispersion and batch are key; unified standards avoid disputes.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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