Processing Machinery
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EMA internal black specks carbonization
Problembeschreibung
0.1-0.5mm black specks of carbonized material appear inside EMA products
Ursachenanalyse
EMA carbonized by prolonged heating in barrel dead zones; carbon deposit at screw head; raw material impurities
Lösung
1) Lower processing temperature to reduce carbonization; 2) Regularly clean screw and barrel; 3) Filter raw material to remove impurities
Wichtigste Erkenntnis
Black specks are caused by thermal carbonization and carbon deposit; lowering temperature and regular cleaning are key
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