Process	Glazing & Enamelling
	Used for decorative reasons as well as wear, heat, and corrosion protection. Enamelling achieves a compromise between the good properties of metals (strength) and those of glass (hardness, and chemical and temperature resistance.) Enamels are special glass silicates (e.g. quartz, feldspar, alumina, zirconia, titanium oxide, etc.), which melt at about 1200 C. The substrate is pre-treated and the basic glaze is applied followed by firing, dipping, and final firing. There are modern automatised techniques for high-series production (electrophoretic, electrostatic powder, or liquid enamelling.)
Danish Name	Emaljering
Category	Surface processes, plating
Materials	Substrates: Steel Cast iron Aluminium Ceramics Enamels: Quartz, Metal oxides
Typical products	Ceramic tile Frying pan Lid Street sign
References	Deutches EMAIL-Zentrum
Environmen- tal notes	Creation: Natural and environment-friendly raw materials. Disposal: Indipendently on the substrate, all glazed products are recyclable.
Photo	Deutsches EMAIL-Zentrum
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