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ASTM C813-20

Current Revision

Standard Test Method for Hydrophobic Contamination on Glass by Contact Angle Measurement

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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.


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.

SDO ASTM: ASTM International
Document Number C813
Publication Date Oct. 1, 2020
Language en - English
Page Count 3
Revision Level 20
Supercedes
Committee C14.02
Publish Date Document Id Type View
Oct. 1, 2020 C0813-20 Revision
Aug. 1, 2024 C0813-20R24 Reaffirmation
Oct. 1, 2014 C0813-90R14 Reaffirmation
Nov. 1, 2009 C0813-90R09 Reaffirmation
Oct. 1, 2004 C0813-90R04 Reaffirmation
April 10, 1999 C0813-90R99 Reaffirmation