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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:

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 the 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 and health 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.

Significance and Use

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

Specific gravity,

Viscosity,

Flash point, and

Nonvolatile matter by weight.

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

Drainage,

Time of drying,

Build,

Dielectric strength,

Thermal endurance,

Varnish compatibility,

Salt water proofness, and

Oil resistance.

Keywords

build; dielectric strength; drainage; flash point; nonvolatile matter; oil resistance; solvent varnish; specific gravity; temperature index; time of drying; varnish; varnish compatibility; viscosity ; Viscosity--electrical insulating materials; Varnishes; Dielectric breakdown voltage; Drainage materials/systems; Drying time; Electrical insulating varnishes; Flexibility; Heating tests--electrical insulating materials; Nonvolatile matter content--paints/related coatings/materials; Oil resistance--electrical insulating materials; Specific gravity; Working viscosity; ICS Number Code 29.035.60 (Varnished fabrics)

To find similar documents by ASTM Volume:

10.01 (Electrical Insulation (I): D69 - D2484)

To find similar documents by classification:

29.035.60 (Varnished fabrics)

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