Extrusion & Post
3 Aufrufe
Substrate surface treatment not in place
Problembeschreibung
Local debonding of coating
Ursachenanalyse
Substrate has oil contamination, insufficient roughness
Lösung
Strict degreasing, sandblasting Rz50-80, spray within 4h after treatment
Wichtigste Erkenntnis
Substrate treatment is the basis of coating quality
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