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Last Updated: Aug 22, 2024
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ASTM C813-20(2024)
Standard Test Method for Hydrophobic Contamination on Glass by Contact Angle Measurement
Standard Test Method for Hydrophobic Contamination on Glass by Contact Angle Measurement
C0813-20R24
ASTM|C0813-20R24|en-US
Standard Test Method for Hydrophobic Contamination on Glass by Contact Angle Measurement
Standard
C813 Standard Test Method for Hydrophobic Contamination on Glass by Contact Angle Measurement>
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BOS Vol. 15.02 Committee C14
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Significance and Use
5.1 The contact angle test is nondestructive and may be used for control and evaluation of processes for the removal of hydrophobic contaminants. The test may also be used for the detection and control of hydrophobic contaminants in processing ambients. For this application, a surface free of hydrophobic films is exposed to the ambient conditions and is subsequently tested.
Scope
1.1 This test method covers the detection of hydrophobic contamination on glass surfaces by means of contact angle measurements. When properly conducted, this test method will enable detection of fractions of monomolecular layers of hydrophobic organic contaminants. Very rough or porous surfaces may significantly decrease the sensitivity of this test method.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3 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.
1.4 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.