Standard Active Last Updated: Mar 29, 2024 Track Document
ASTM D115-17(2024)

Standard Test Methods for Testing Solvent Containing Varnishes Used for Electrical Insulation

Standard Test Methods for Testing Solvent Containing Varnishes Used for Electrical Insulation D0115-17R24 ASTM|D0115-17R24|en-US Standard Test Methods for Testing Solvent Containing Varnishes Used for Electrical Insulation Standard new BOS Vol. 10.01 Committee D09
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Significance and Use

4.1 Control—The following tests are useful for control purposes during the manufacture and use of varnishes, and for determining the uniformity of batches:

4.1.1 Specific gravity,

4.1.2 Viscosity,

4.1.3 Flash point, and

4.1.4 Nonvolatile matter by weight.

4.2 Performance—The following tests are useful for determining the performance of varnishes during application and use:

4.2.1 Drainage,

4.2.2 Time of drying,

4.2.3 Build,

4.2.4 Dielectric strength,

4.2.5 Thermal endurance,

4.2.6 Varnish compatibility,

4.2.7 Salt water proofness, and

4.2.8 Oil resistance.

Scope

1.1 These test methods cover tests for solvent containing varnishes primarily intended to provide electrical, mechanical, and chemical protection for electrical equipment. These test methods include tests for control and performance as follows:

Procedure

Section

Build

38 – 42

Dielectric Strength

43 – 48

Drainage

26 – 32

Flash Point

18 – 20

Nonvolatile Matter

21 – 25

Oil Resistance

54 – 56

Preparation of Test Specimens

    7

Specific Gravity

9 – 12

Temperature Index

4950

Time of Drying

33 – 37

Varnish Compatibility

51 – 53

Viscosity

13 – 17

1.2 Where the entire test method is included in this standard, the precision and bias are not known unless given in the stated method.

1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.

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. For specific hazard statements, see Section 5.

Note 1: There is no equivalent IEC standard.

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.

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Details
Book of Standards Volume: 10.01
Developed by Subcommittee: D09.01
Pages: 9
DOI: 10.1520/D0115-17R24
ICS Code: 29.035.60