Extrusion & Post
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Problem of decreased heat sealability of Slip Masterbatch in cast film
Problem Phenomenon
After adding 1-5% of slip masterbatch to the cast film film, decreased heat sealability occurs.
Cause Analysis
Improper control of the slip agent precipitation balance.
Solution
Resolve by combining different slip agents.
Key Takeaway
The key to slip masterbatch lies in the migration/precipitation balance.
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