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ASTM-D7541:2022 Edition

ASTM-D7541:2022 Edition

$29.79

D7541-11(2022) Standard Practice for Estimating Critical Surface Tensions

Published By Publication Date Number of Pages
ASTM 2022 3
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ASTM D7541-11-Reapproved2022

Active Standard: Standard Practice for Estimating Critical Surface Tensions

ASTM D7541

Scope

1.1 This practice covers procedures for estimating values of the critical surface tension of surfaces by observing the wetting and dewetting of a series of liquids (usually organic solvents) applied to the surface in question.

1.2 Another technique, measurement of the contact angles, θ, of a series of test liquids and plotting cos θ versus surface tension (Zisman plots), provides data that allow the determination of more exact values for critical surface tension.

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Keywords

critical surface tension; dewetting; surface contamination; wettability; wetting;

ICS Code

ICS Number Code 25.220.01 (Surface treatment and coating in general)

DOI: 10.1520/D7541-11R22

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