1.The glass wool heating plate of the Engine Coolant Cast Aluminum Corrosion Tester has no open flame and is safe and reliable. 2.The temperature control table of Engine Coolant Cast Aluminum Corrosion Tester can precisely control the temperature to ensure the accuracy of the test. 3.The heat transfer corrosion chamber of Engine Coolant Cast Aluminum Corrosion Tester is quick to disassemble and easy to use.