Molding Process
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Large EAA impact strength fluctuation
Problem Phenomenon
EAA product impact strength fluctuates ±30%, unstable
Cause Analysis
EAA dispersed phase particle size fluctuates 0.2-1μm causing unstable toughening effect; crystallinity fluctuation affecting impact
Solution
1) Stabilize processing conditions to ensure consistent dispersed phase particle size; 2) Use nucleating agent to control crystallinity; 3) Control raw material batch consistency
Key Takeaway
Impact fluctuation is caused by unstable dispersed phase and crystallization; stable processing is key
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