Extrusion & Post
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Poor leveling of powder coatings
Fenómeno do problema
Electrostatic sprayed coatings have an orange peel appearance
Análise das causas
The powder particle size is too coarse and the distribution is wide; the heating rate is slow
Solução
Control D50 at 30-50um, rapid temperature rise to 240-250C
Conclusão principal
Leveling directly affects the appearance quality of the coating
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