Processing Machinery
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HDPE film gel particles - black speck startup type
Problem Phenomenon
Black specks concentrate on the film surface in the initial startup stage.
Cause Analysis
The material in the barrel and head carbonizes during shutdown and is carried out at startup.
Solution
①Cool down or empty during shutdown; ②purge and flush before startup; ③record the startup scrap length.
Key Takeaway
Startup black specks = a shutdown management problem.
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