The purpose of the GJB150.11A-2009 standard test is to determine the effectiveness of the material's protective and decorative layers and to determine the effect of salt deposits on the physical and electrical properties of the equipment. This test standard is applicable to 1. Evaluate the quality and effectiveness of protective coverings and decorative layers of materials and materials, locate potential problem areas, find quality control defects and design defects, etc.; 2. Preferred materials and evaluation equipment; Mainly exposed to equipment in a salty atmosphere. So, what are the limitations of this test standard? The details are as follows:
(a) This test does not reproduce the effects of the marine atmospheric environment, as the chemical composition and concentration of the ocean and other corrosive environments are different from this test;
(b) does not state that there is a direct relationship between salt spray corrosion and corrosion caused by other media;
(c) It cannot be demonstrated that the equipment subjected to this test can withstand corrosion in all corrosive environments;
(d) has been proven to predict the useful life of different materials and overlays is often unreliable;
(e) cannot replace the assessment of corrosion caused by damp heat and mold;
(f) The test of the component shall not be replaced by a test of the sample or the sample.
Later Xiaobian will continue to explain more about the wonderful content of the salt spray test, so stay tuned!
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