Production & Quality
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EVOH Internal Inclusions
Problembeschreibung
0.1-0.5mm inclusions inside EVOH products affecting appearance
Ursachenanalyse
Impurity particles in raw material; dust contamination from production environment; foreign matter mixed into recycled material
Lösung
1) Filter raw material through 120 mesh to remove impurities; 2) Clean production environment to control dust; 3) Strictly sort recycled material to remove foreign matter
Wichtigste Erkenntnis
Inclusions are caused by raw material and environmental contamination; filtration and environmental control are key
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