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Knowledge of enamel

First, what is enamel?

Enamel is in the metal surface coated with a layer or layers of enamel, through the baking, both physical and chemical reactions and a strong combination of a composite material. The old name is enamel. It possess the inherent mechanical strength and processing properties of the metal, and the corrosion resistance, wear resistance, heat resistance, non-toxic and decorative of coating. Enamel originated in glass decorative metal. Ancient Egypt appeared first, followed by Greece. In the 6th century European enamel, tick flower enamel, embossed enamel, through enamel, painted enamel have come out. In 8th century China began to develop enamel, to the end of the 14th century enamel art matures, the mid-15th century Ming Dynasty Jingtai years of products is particularly known, the famous is cloisonne. At the beginning of the 19th century, Europe developed cast iron enamel which laid foundation from handicrafts to the daily necessities. But because of the under-developed casting technology, cast iron enamel applications are limited. In the 19th century, due to development of various industries, the steel enamel begin to develop which creates a new era of modern enamel. From the end of the 19th century to the first half of the 20th century, the advent of various properties of enamel, steel and other metal materials to promote the use of refractories, kilns, coating technology continued to update which accelerate the development of enamel industry.

Second, there are those kinds of enamel

According to the material, enamel is divided into two series: glass enamel and cast iron glass enamel, with acid and alkali resistance, heat shock, high temperature, shock, does not contain any harmful elements to human body and is the ideal home cooking utensils. Chinese Enamel products are: kitchen enamel products (sink, Cabinets, stoves, etc.); home enamel products (electric hot pot, beaker, heater, electric water heater enamel liner, etc.); building enamel products (architectural flat enamel, enamel pipeline); other enamel products (art enamel, hanging plate, medical Sheng, health enamel products).

According to the usage of enamel, it can be divided into art enamel, daily enamel, sanitary enamel, architectural enamel, industrial enamel, special enamel and so on. Enamel production mainly has glaze preparation, enamel coating,dry, firing, testing and other processes. For art enamel, daily enamel, sanitary enamel, architectural enamel, etc. For purpose of outside appearance decoration and usage,it need to go through color decoration and assembly. Industrial enamel equipment is required to be tested and assembled