• ASTM D3809-01

ASTM D3809-01

Standard Method for Testing Synthetic Dielectric Fluids For Capacitors

ASTM International, 04/10/2001

Publisher: ASTM

File Format: PDF

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Published:10/04/2001

Pages:3

File Size:1 file , 58 KB

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1.1 These test methods cover testing synthetic dielectric fluids currently in use for capacitors. The methods are generally suitable for specification acceptance, factory control, referee testing, and research. Their applicability to future fluids has not been determined.

1.2 The scope of some of the test methods listed here apply to petroleum oils, but have been found suitable for synthetic fluids.

1.3 For methods relating to polybutene fluids refer to Specification D2296.

1.4 For methods relating to silicone fluids refer to Test Methods D2225.

1.5 A list of properties and standards are as follows:

Property Measured Section ASTM Test Method
Physical:
Coefficient of thermal expansion 6 D 1903
Flash point 7 D 92
Pour point 8 D 97
Refractive index 9 D 1218
Relative Density/Specific gravity 10 D 1298
Viscosity 11 D 445
Chemical:
Acid number 12 D 664
Water content 13 D 1533
Electrical:
Relative permittivity 14 D 924
Dielectric strength 15 D 877
D 1816
Dissipation factor 16 D 924

1.6 This standard does not purport to address all of the safety problems, 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.

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