The structure of the instrument should ensure that the drip accumulated on the top or the lid will not drip on the test panel. The drops on the test sample plate will not drop into the solution storage tank and be re-atomized. In addition to the neutral salt spray test, for the acetic acid-salt spray test and the copper-accelerated acetic acid-salt spray test (CASS test), the equipment only needs to add acetic acid or copper chloride and acetic acid to the salt solution according to the standard The test conditions can be carried out in an ordinary salt spray test box.
The circulating salt spray test chamber is designed to meet the wet (salt spray) / dry / humidity-cyclic corrosion environment test. In addition to all the components of the ordinary salt spray test box, the equipment also needs to increase the temperature control of dry hot air blower and dry air (provide a relative humidity of 20% to 30% and a relative humidity of (50 ± 20)% Deoiling and dedusting air) feeder, and a programmable program controller. In order to set up and complete the circulation procedures such as spraying salt spray, sending dry hot air, sending near-saturated humid air or semi-saturated humid air respectively in the test box.
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