Expired: PEI Back-To-Basics 2020
Learn basics of porcelain enameling at PEI event The American Porcelain Enameling Institute (PEI) organize their yearly Back-To-Basics training event in Seelbach Hilton, Louisville, KY...
Blisters are a common enamel defect, which is characterized by appearance of circular holes & bubbles in a cooled enameled surface.