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Pinholes generated in ETFE coating
Fenómeno del problema
Pinholes appear in ETFE electrostatic spraying or dip coating layers
Análisis de la causa
Coating too thin; contamination on substrate surface; gas escaping during coating curing
Solución
Increase coating thickness; clean substrate surface; control curing heating rate
Conclusión clave
Coating defects affect the anti-corrosion and insulation performance of ETFE
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