Extrusion & Post
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Difficulty of electrostatic powder coating on PCTG
Problem Phenomenon
Poor adhesion of electrostatic powder coating on PCTG.
Cause Analysis
PCTG surface is non-conductive, charge accumulates unevenly, powder adhesion poor.
Solution
Apply conductive primer first, then powder coating; select coatings suitable for heat-sensitive substrates.
Key Takeaway
PCTG powder coating requires conductive pretreatment.
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