Molding Process
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Black specks produced in processing due to incomplete dust removal of PETG
Problem Phenomenon
Black speck impurities appear in the product, affecting appearance and hygiene.
Cause Analysis
Workshop dust or impurities in the raw material form black specks during processing, and the feeding system is not sealed.
Solution
Ensure workshop cleanliness; sieve the raw material and use magnetic attraction to remove metal impurities; seal the feeding system.
Key Takeaway
PETG transparent products have high cleanliness requirements.
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