Material Drying
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Adhesion difference before and after PCTG injection coating
Fenómeno do problema
Adhesion between substrate and coating is good the first time but poor on repetition.
Análise das causas
Changes in substrate surface condition (moisture absorption, oxidation) affect coating adhesion.
Solução
Properly store substrates with shelf-life management; pre-treat before use (plasma, etc.).
Conclusão principal
PCTG coating adhesion depends on substrate condition management.
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