Injection Molding
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Shrinkage Rate Fluctuation of PCTG Injection Molded Products
Problem Phenomenon
The product dimensions are unstable, and the shrinkage rate fluctuates between different batches.
Cause Analysis
Holding pressure parameter fluctuations, mold temperature changes, and molecular weight differences between raw material batches.
Solution
Stabilize the holding pressure and the holding pressure time; control the mold temperature to be stable; control the raw material batch quality.
Key Takeaway
PCTG shrinkage rate stability is a requirement of precision '2079851475616104452.
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