Molds & Tooling
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PET Bottle Improper Mold Temperature
Problem Phenomenon
Defects on the bottle's mold-contact surface or bottle sticking at demolding.
Cause Analysis
Mold temperature too high causes bottle sticking, too low causes thermal shock locking stress; standard bottle mold temperature 10~15℃.
Solution
①Control mold temperature at 10~15℃; ②check the chiller and flow; ③for bottle sticking, check the water channel of that cavity.
Key Takeaway
Mold temperature 10~15℃ is the standard window.
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