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ASTM International - ASTM D2225-04(2012)

Standard Test Methods for Silicone Fluids Used for Electrical Insulation

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Organization: ASTM International
Publication Date: 1 May 2012
Status: inactive
Page Count: 4
ICS Code (Insulating oils): 29.040.10
significance And Use:

4.1 Tests covered in this standard may be used for quality control and design considerations.

4.2 Included in each test method is a brief statement describing its significance.

scope:

1.1 These test methods cover the testing of silicone fluids for use in transformers, capacitors, and electronic assemblies as an insulating or cooling medium, or both. These methods are generally suitable for specification acceptance, factory control, referee testing, and research.

1.2 Although some of the test methods listed here apply primarily to petroleum-based fluids, they are, with minor revisions, equally applicable to silicone fluids.

1.3 Silicone fluids are used for electrical insulating purposes because of their stable properties at high and low temperatures and their relative environmental inertness.

1.4 A list of the properties and standards are as follows:

Property Measured Section ASTM Test Method

Physical:

   
 Color  6

D2129

 Flash point  7

D92

 Fire point  7

D92

 Polychlorinated biphenyl
  content
 8

D4059

 Pour point  9

D97

 Refractive index 10

D1807

 Specific gravity 11

D1298, D1481, D4052

 Volatility 12

D4559

 Viscosity 13

D445, D2161

Chemical:

   
 Neutralization number 14

D974

 Water content 15

D1533

Electrical:

   
 Relative permittivity 16

D9242

 Dielectric breakdown
  voltage
17

D8773

 Dissipation factor 18

D9242

 Specific resistance 19

D11692

 Compatibility 20

D5282


1.5 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 and health practices and determine the applicability of regulatory limitations prior to use.

Document History

November 1, 2020
Standard Test Methods for Silicone Liquids Used for Electrical Insulation
1.1 These test methods cover the testing of silicone liquids for use in transformers, capacitors, and electronic assemblies as an insulating or cooling medium, or both. These methods are generally...
ASTM D2225-04(2012)
May 1, 2012
Standard Test Methods for Silicone Fluids Used for Electrical Insulation
1.1 These test methods cover the testing of silicone fluids for use in transformers, capacitors, and electronic assemblies as an insulating or cooling medium, or both. These methods are generally...
December 1, 2004
Standard Test Methods for Silicone Fluids Used for Electrical Insulation
1.1 These test methods cover the testing of silicone fluids for use in transformers, capacitors, and electronic assemblies as an insulating or cooling medium, or both. These methods are generally...
April 10, 1997
Standard Test Methods for Silicone Fluids Used for Electrical Insulation
1.1 These test methods cover the testing of silicone fluids for use in transformers, capacitors, and electronic assemblies as an insulating or cooling medium, or both. These methods are generally...
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