IEC 62961:2018 

Insulating liquids – Test methods for the determination of interfacial tension of insulating liquids - Determination with the ring method

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Abstract

IEC 62961:2018 establishes the measurement of the interfacial tension between insulating liquid and water by means of the Du Noüy ring method close to equilibrium conditions. In order to obtain a value that provides a realistic expression of the real interfacial tension, a measurement after a surface age of approximately 180 s is recorded.

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Additional information

Publication typeInternational Standard
Publication date2018-09-20
Edition1.0
Available language(s)English/French
TC/SCTC 10 - Fluids for electrotechnical applicationsrss
ICS29.040.10 - Insulating oils
Stability date  2023
Pages41
File size1354 KB

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