SJ 1277-1977 English PDF

US$179.00 · In stock
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SJ 1277-1977: Quality inspection rules for the acceptance of metallic coatings and chemically treated layers
Status: Obsolete

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SJ 1277-1977	179	Add to Cart	2 days	Quality inspection rules for the acceptance of metallic coatings and chemically treated layers	Obsolete

Similar standards

SN/T 3512   GB/T 26125   SJ/T 11363   SJ/T 11920   SJ/T 11923   SJ/T 11919   

Basic data

Standard ID: SJ 1277-1977 (SJ1277-1977)
Description (Translated English): Quality inspection rules for the acceptance of metallic coatings and chemically treated layers
Sector / Industry: Electronics Industry Standard
Classification of Chinese Standard: L10
Word Count Estimation: 3,328
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Older Standard (superseded by this standard): SJ 43-1964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 applies to the appearance of the metal plating and chemical treatment layer, the metal coating hardness, with the polarity of the metal coating porosity, adhesion of the coating and substrate metal, metal plating and chemical treatment layer of corrosion, metal plating and chemical treatment layer The thickness of aluminum and aluminum alloys as well as acceptance of electrical insulation properties.

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