Production & Quality
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PVB Cooling and Surface
Problem Phenomenon
Improper PVB film cooling causes surface defects, poor embossing and treatment effects.
Cause Analysis
PVB cooling roll temperature and uniformity; surface embossing improves degassing and adhesion; controlled cooling is critical for dimensional stability and optical quality; cooling rate affects surface condition.
Solution
①Precise cooling roll temperature control; ②Surface embossing process optimization; ③Cooling rate management; ④Surface quality detection.; After adjustment, continuously sample to verify the effect, confirm stability before resuming mass production
Key Takeaway
PVB cooling management balances surface and dimensions; embossing is a functional treatment; detection verifies optical quality.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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