Abstract
Glass lining of steel with high-performance vitreous enamel combines the positive properties of two very common materials, namely steel and high chemical-inert glass to a new compound material with superior properties. Today, vitreous enamels are high-tech inorganic coatings optimized to withstand even the harshest conditions in chemical fabrication processes. The chapter tries to define and use the term chemical corrosion from a very practical point of view, summarizing the opportunities possible with glass-lined devices and compares it with other types of reactor materials. Steel contributes the mechanical properties like mechanical stability and elasticity to the, glass supports it with high chemical durability. This combination allows to make highly reliable reaction vessels, baffles, and agitators, together with valves, heat exchangers, and pH probes for extreme corrosive or high-material and purity processes. The articles gives an overview of the chemical composition of vitreous enamel, shows the fabrication and technical requirements necessary for a good manufactured product, and summarizes the properties of vitreous enamels with borosilicate glass in service.
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