Material Analysis
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White spot problem of anti-blocking masterbatch in CPP film
Problem Phenomenon
After adding 1-5% anti-blocking masterbatch, white spots appear in the CPP film.
Cause Analysis
Caused by improper refractive index of the anti-blocking agent.
Solution
Combine with a slip agent.
Key Takeaway
The core of anti-blocking masterbatch is the balance between dispersion and transparency.
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