Salt spray test conditions for salt spray test chamber
The salt spray test is a method of measuring the corrosion resistance of a sample by exposing the sample to an atmosphere containing a certain concentration of sodium chloride water mist (application equipment salt spray test chamber). This method, the test conditions are harsh, closer to the use conditions, and the operation is relatively simple, so it has received much attention and has become one of the basic methods for accelerating the corrosion test. Among them, the neutral salt spray test is widely used, such as GB/T1771 "Color paint and varnish - Determination of neutral salt spray resistance" (equivalent to ISO7253), American ASTM B117 "Salt Fog Test", etc. are continuous spray Neutral salt spray test.
The salt spray test conditions for the salt spray test chamber are as follows:
Test solution: (5 ± 1)% aqueous sodium chloride solution
Test temperature: (35 ± 2) ° C
Solution pH (25 ° C): 6.5 ~ 7.2
Box humidity: 100%
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