ASTM-D3455 › Historical Revision Information
Standard Test Methods for Compatibility of Construction Material with Electrical Insulating Oil of Petroleum Origin
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Scope
1.1 These test methods cover screening for the compatibility of materials of construction with electrical insulating oil for use in electrical equipment.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3 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.
Significance and Use
The magnitude of the changes in the electrical properties of the insulating oil are of importance in determining the contamination of the oil by the test specimen.
Physical and chemical changes in the oil such as color, interfacial tension and acidity, also indicate solubility or other adverse effects of the test specimen on the oil.
Physical changes of the test specimen such as hardness, swelling, and discoloration show the effect of the oil on the test specimen and are used to determine the suitability of the material for use in insulating oil.
A material meeting the criteria recommended does not necessarily indicate suitability for use in electrical equipment. Other properties must also be considered. Additionally, certain materials containing additives may meet the requirements of these test methods, yet be unsatisfactory when subjected to longer term evaluations. Examples of such materials are polyvinyl chloride (PVC) based compounds, nylon and elastomeric compounds.
Keywords
compatibility; construction material; electrical equipment; insulating oil; Building materials/applications; Compatibility; Construction materials; Electrical insulating oils
To find similar documents by ASTM Volume:
10.03 (Electrical Insulating Liquids and Gases; Electrical Protective Equipment)
To find similar documents by classification:
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Document Number
ASTM-D3455-11
Revision Level
2011 EDITION
Status
Superseded
Modification Type
Reinstate with Revision
Publication Date
July 1, 2011
Document Type
Test Method
Page Count
3 pages
Committee Number
D27.06