Production & Quality
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EMA internal inclusions
Problem Phenomenon
0.1-0.5mm inclusions inside EMA products affect appearance
Cause Analysis
Impurity particles in raw material; dust contamination in production environment; foreign matter mixed into recycled material
Solution
1) Filter raw material with 120 mesh screen 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; filtering and environmental control are key
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