Fishscaling of porcelain/vitreous enamel coatings

Fishscaling

Fishscaling is an enameling defect, which is characterized by small enamel particles chipping off.

Chipping off may happen directly after firing when cooling down or sometimes even days later.

example of enamel defect called fishscaling

Effected products may usually not be repaired. Due to this reason, this defect is still one of the most described topics within the international enameling industry.
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Ultrasonic thickness measurement

With ultrasonic thickness measurement, you may detect the thickness of individual layers within a multi layer coating.

This may be of great help, when troubleshooting e.g. a two coats / one fire vitreous enameling process.

See our webshop for more details about this and other film thickness gauges.

ultrasonic thickness gauge
ultrasonic thickness gauge