Molds & Tooling
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Ionic Contamination of PBT Products
Problem Phenomenon
The anion and cation residues on the surface of PBT products exceed the electronics industry standards.
Cause Analysis
Catalyst and additive residues in the raw material; mold release agent residues; adhesion of environmental pollutants.
Solution
Select a PBT grade with low ion content; produce in a clean room; do not use ion-containing release agents.
Key Takeaway
PBT ionic contamination is a key control indicator for electronics and electrical appliances.
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