Injection Molding
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POE surface orange peel
Problem Phenomenon
POE product surface orange-peel-like uneven texture, rough hand feel
Cause Analysis
Mold temperature too low <30°C, product surface rapidly cools and solidifies, then the interior continues to shrink causing surface unevenness; injection speed too low
Solution
1) Raise mold temperature to 40-50°C to delay surface solidification; 2) Appropriately increase injection speed; 3) Increase holding pressure to reduce internal shrinkage
Key Takeaway
Orange peel is caused by rapid cooling and solidification; raising mold temperature and holding pressure are key
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