This testing equipment is for determination of resistance to chemical corrosion by boiling acids, boiling neutral liquids and/or their vapours for the øat surface of vitreous and porcelain enamels. It includes two test zones of liquid zone and vapour zone, the test specimen will be placed in these two zones and exposed to attack by specified chemical conditions for a required period. The tester is of the movable heating-controlling device for test solution heating and boiling, the solution-condenser circulation system can prevent solution loss
and drying out at the process.