Production & Quality
9 views
EVOH Internal Inclusions
Problem Phenomenon
0.1-0.5mm inclusions inside EVOH products affecting appearance
Cause Analysis
Impurity particles in raw material; dust contamination from production environment; foreign matter mixed into recycled material
Solution
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
Key Takeaway
Inclusions are caused by raw material and environmental contamination; filtration and environmental control are key
Was this helpful?
0 people found this helpful
Thank you for your feedback!