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Hazing, Low Gloss
Hazing, Low Gloss
Appearance
Dull, low reflective appearance of coating.
Probable Causes
- Film of material such as PTFE that rises to the surface (does not harm performance), low cure temperature/time.
- Presence of moisture (humidity) during coating, leaving a rough, low-gloss surface.
- Oven fouling. Low film thickness or rough substrate.
Suggested Solutions
- Rapid cooldown may improve gloss, increasing cure temperature/time may eliminate hazing. Check oven, substrate.
- Check water traps for moisture. Check DFT.
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