Extrusion & Post
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Poor leveling of powder coatings
Problem Phenomenon
Electrostatic sprayed coatings have an orange peel appearance
Cause Analysis
The powder particle size is too coarse and the distribution is wide; the heating rate is slow
Solution
Control D50 at 30-50um, rapid temperature rise to 240-250C
Key Takeaway
Leveling directly affects the appearance quality of the coating
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