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SJH 1284-1977

SJH 1284-1977_English: PDF (SJH1284-1977)
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SJ 1284-1977English179 Add to Cart 2 days Methods for evaluation of corrosion test results for metallic coatings and chemically treated layers SJ 1284-1977 Obsolete SJ 1284-1977

BASIC DATA
Standard ID SJ 1284-1977 (SJ1284-1977)
Description (Translated English) Methods for evaluation of corrosion test results for metallic coatings and chemically treated layers
Sector / Industry Electronics Industry Standard
Classification of Chinese Standard A29
Word Count Estimation 3,355
Date of Issue 1978/3/1
Date of Implementation 1978/3/1
Older Standard (superseded by this standard) SJ 43-1964
Regulation (derived from) Industry-Science (2010) No.77
Summary This standard applies to metal plating and chemical processing layer in the atmosphere after exposure test, salt spray test, a variety of corrosion test results after etching cream or industrial gas test (such as sulfur dioxide gas, etc.) generated by the corrosion resistance levels make assessment.