Extrusion & Post
6 Aufrufe
Poor adhesion of ETFE to substrates
Problembeschreibung
Insufficient adhesion of ETFE coating or lining to metal or other substrates
Ursachenanalyse
ETFE surface energy is extremely low (similar to PTFE); lack of effective surface treatment
Lösung
Sandblast the substrate to roughen and increase mechanical interlocking; plasma/corona/sodium-naphthalene solution treatment to increase surface energy; use primer
Wichtigste Erkenntnis
The low surface energy of ETFE is the core difficulty of its bonding processing
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