Laminated Glass with Polyvinyl Butyral PVB Interlayer Film Failed in Boiling Test
Reason1:
Two much air contained inside the laminated glass with Polyvinyl Butyral PVB interlayer film.
Solution2:
Sealing the edges too early in the pre-pressure exhausting air stage, which lead to the air stocked inside the laminated glass. Although, it seams successful when the laminated glass come out from the autoclave, but when in the boiling test, the bubbles will appears.
Reason2:
The Polyvinyl Butyral PVB interlayer film has absorbed too much moisture before laminating.
Solution2:
Adjust the storage conditions, make sure the moisture of Polyvinyl Butyral PVB interlayer film is less than 0.55%.
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