Abstract
Porcelain enamel is an inorganic-type coating, which is applied to metals or glass for both decorative and functional purposes. This coating is a silica-based solidified glass mass obtained by high-temperature firing (temperature can range between 450 and 1200 °C depending on the substrate). Porcelain enamel coatings differ from ceramic coatings mainly by their glass structure and dilatation coefficient, and from organic paints mainly by the inorganic nature of the matrix and the chemical bond that exists between the coating and the substrate.
Highlights
Porcelain enamel coatings differ from ceramic coatings mainly by their glass structure and dilatation coefficient, and from organic paints mainly by the inorganic nature of the matrix and the chemical bond that exists between the coating and the substrate
Porcelain enamel is a material with ancient origins, but it is still appreciated for high-duty applications where good corrosion protection, chemical, and external agents’ resistance is required
From Egypt, this art was transmitted to the people of the Eastern Mediterranean Sea thanks to the close commercial interactions that existed at that time
Summary
Porcelain enamel is one of the most popular industrial coatings for the protection of metal artifacts, as it gives the coated substrates high-quality physical, chemical, and aesthetical properties. This coating was developed in ancient times to decorate precious objects as if to imitate the shining of precious stones. Porcelain enamel is a material with ancient origins, but it is still appreciated for high-duty applications where good corrosion protection, chemical, and external agents’ resistance is required. Enamel can efficiently protect the covered substrate, maintaining its aesthetical properties unchanged in time
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