Lumps
Lumps are common enamel defects, which are characterised by rounded raised areas with typically a diameter between 3 to 12 mm. (more…)
Identification of enameling defects
Identifying the correct type of enamel defect is the first & perhaps most important step when troubleshooting industrial enameling processes. Analyzing enameling defects with digital...
Blisters
Blisters is a common enamel defect, which is characterized by appearance of circular holes & bubbles in a cooled enameled surface. May occur as a...
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...
Troubleshooting enameling operations
Large manufacturer of enameled cookware experienced substantial rework & reject rates and asked DTC to assist with troubleshooting their enameling operations. (more…)
Troubleshooting enameling defects
Resolving enamel defects during an industrial manufacturing process requires a structured three steps approach. Step I Identify the right defect. This may sound silly, but...