What temperatures are referred to by 120°C for thermal shock at high temperature and 110°C for thermal shock at low temperature in the case of enamel?
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What temperatures are referred to by 120°C for thermal shock at high temperature and 110°C for thermal shock at low temperature in the case of enamel?
It is generally understood as an instant, and it is not possible to specify a precise time; after all, this period is longer than what is considered an instant in the usual sense. It should be viewed as the capacity of a unit area to withstand temperature changes per unit of time. Therefore, for enamel-coated equipment, it is important to avoid sudden temperature fluctuations over short periods of time, in order to extend its service life.
The method for thermal shock testing of enamel equipment is as shown in the attached diagram