Material Analysis
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EMA incompatible with lubricant
Problem Phenomenon
After adding lubricant to EMA, lubricant oil spots exude on product surface
Cause Analysis
Poor compatibility between lubricant and EMA causes supersaturation exudation; lubricant molecular weight low with fast migration rate
Solution
1) Select lubricant compatible with EMA; 2) Reduce lubricant dosage to 0.1-0.2wt% to avoid supersaturation; 3) Use internal lubricant instead of external lubricant
Key Takeaway
Lubricant incompatibility causes exudation; selecting compatible lubricant is key
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