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IEC TR 61946:2007 ED1

Mineral insulating oils - Characterization of paraffinic/naphthenic nature - Low temperature differential scanning calorimetry (DSC) test method IEC TR 61946:2007 ED1

Publication date:   Feb 23, 2007

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60.60 Standard published   Feb 23, 2007

IEC

TC 10

Technical Report

29.040.10   Insulating oils

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Describes a test method for the classification of mineral insulating oils as either paraffinic or naphthenic, by means of low-temperature differential scanning calorimetry (DSC). For the purpose of this technical report, the typical operating temperature range extends from -100 °C to +100 °C. The temperature range can be extended, depending upon the instrumentation used. The method is applicable to mineral insulating oils obtained from petroleum crudes. It may be also applied to mineral oils containing pour point depressants, as these additives do not prevent the formation of paraffin crystals but only the growing of such micro-crystals.

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PUBLISHED
IEC TR 61946:2007 ED1
60.60 Standard published
Feb 23, 2007