Extrusion & Post
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PVB Post-Lamination Environmental Delamination
Fenómeno do problema
Laminated glass delaminates in high-humidity high-heat environments after use, contacting incompatible sealants or chemicals.
Análise das causas
High-humidity high-heat environment; contact with incompatible structural sealants; exposure to acetic acid, alcohol, or ketones; excessive mechanical clamping during production; poor adhesion of ceramic ink to glass/PVB.
Solução
①Use environment assessment and protection; ②Sealant compatibility verification; ③Avoid contact with incompatible chemicals; ④Mechanical clamping force specification; ⑤Ink adhesion testing.
Conclusão principal
Environmental and chemical factors of PVB post-lamination delamination must be managed; compatibility verification upfront; clear use guidance.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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