Injection Molding
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Residual Monomer Test of PBT Injection-Molded Parts Exceeding the Standard
Problem Phenomenon
The content of residual monomers such as 1,4-butanediol in PBT products exceeds the standard.
Cause Analysis
The raw material polymerization is incomplete and the residual monomer content is high; the processing temperature is too low, and the monomers cannot be effectively removed.
Solution
Select PBT raw material with low residual monomers; appropriately increase the processing temperature to facilitate monomer volatilization; use a vented '2079851475616104452 machine.
Key Takeaway
PBT residual monomer is a test item for food and medical applications.
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