Material Analysis
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Anti-block masterbatch white spots problem in BOPP film
Problem Phenomenon
After adding 1-5% anti-block masterbatch, white spots appears in the BOPP film.
Cause Analysis
Caused by inappropriate refractive index of the anti-block agent.
Solution
Optimize the dispersion process.
Key Takeaway
The core of anti-block masterbatch is the balance between dispersion and transparency.
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