Glass-lined equipment is manufactured by spraying a high-silicon content enamel onto the surface of a metal iron base, then firing it at a high temperature of approximately 930°C. This process ensures the glass coating adheres strongly to the metal, combining the chemical stability of glass with the mechanical strength of metal. As a result, it offers dual advantages that make it highly suitable for demanding industrial applications.
This type of equipment is widely used in various industries such as chemical processing, pharmaceuticals, dye production, pesticide manufacturing, organic synthesis, food processing, and defense. It is often preferred over stainless steel or non-ferrous metal equipment for processes like reaction, evaporation, synthesis, polymerization, saponification, sulfonation, chlorination, nitration, and more.
In terms of corrosion resistance, glass-lined equipment demonstrates strong performance against various concentrations of organic acids, organic solvents, and weak bases. However, it is not recommended for use with strong alkalis, hydrofluoric acid, fluoride ions, or media at temperatures above 180°C, such as 30% phosphoric acid.
The equipment also exhibits excellent impact resistance, with a mechanical shock resistance rating of 220×10â»Â³ J. This makes it resistant to damage from impacts caused by hard objects during operation.
Additionally, the porcelain surface undergoes rigorous insulation testing, withstanding up to 20,000 volts, ensuring electrical safety in sensitive environments.
It can also withstand rapid temperature changes, with cold shock resistance up to 110°C and thermal shock resistance up to 120°C, making it ideal for applications involving fluctuating temperatures.
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