GB/T 22638.4-2016: Test methods for aluminium and aluminium alloy foils -- Part 4: Determination of surface wetting tension

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Scope

This Part of GB/T 22638 specifies the method principle, reagents and materials, test
conditions, sampling, swab method, dyne pen method and test report for the
determination of surface wetting tension of aluminium and aluminium alloy foils.
This Part applies to the determination of surface wetting tension of aluminium and
aluminium alloy foils.
The swab method specified in this Part is the arbitration method for the determination
of surface wetting tension of aluminium and aluminium alloy foils.

Basic Data

Standard ID	GB/T 22638.4-2016 (GB/T22638.4-2016)
Description (Translated English)	Test methods for aluminium and aluminium alloy foils -- Part 4: Determination of surface wetting tension
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H20
Classification of International Standard	77.040.01
Word Count Estimation	10,163
Date of Issue	2016-12-13
Date of Implementation	2017-11-01
Older Standard (superseded by this standard)	GB/T 22638.4-2008
Regulation (derived from)	National Standard Announcement No.201 of 2016
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China