SJ 1281-1977 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SJ 1281-1977	RFQ	ASK	5 days	Test methods for thickness of metallic coatings and chemically treated layers	Obsolete

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Basic data

Standard ID: SJ 1281-1977 (SJ1281-1977)
Description (Translated English): Test methods for thickness of metallic coatings and chemically treated layers
Sector / Industry: Electronics Industry Standard
Classification of Chinese Standard: A29
Classification of International Standard: 25.22
Word Count Estimation: 29,281
Date of Issue: 3/1/1978
Date of Implementation: 3/1/1978
Older Standard (superseded by this standard): SJ 43-1964
Regulation (derived from): Industry-Science (2010) No.77
Summary: This standard specifies two types of nine kinds of testing methods, the largest category of non-destructive testing methods, including magnetic method, the eddy current method and the method of weight gain, and the second category is a destructive test methods, including electricity (Coulomb) law Timing flow method, measuring the flow, chemical stripping method, optical (microscope) method and the drip method.

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