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The packaging quality of steel strip eligibility criteria

by:Hongmei     2020-07-17
Packaging quality of steel strip eligibility criteria: 1, the packaging steel strip surface color and appearance quality, to put the portion of the packaging steel strip by monitoring platform, with one meter long ruler on the concave side of the packaging steel strip, the maximum distance measuring meter scale to the concave side. 2, packaging steel strip thickness and galvanized coating thickness measuring instrument with accuracy of response measurement. The site measurement should be from the packaging steel strip edges is not less than 3 mm, roughly equal intervals, and the length of not less than 100 mm. Is the film thickness or the thickness of the galvanized layer. 3, the test items of packaging steel strip, sampling quantity, sampling methods and test methods should be consistent with the provisions of the state.
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