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sklademVydáno: 2007-03-30
BS EN 60426:2007
Electrical insulating materials. Determination of electrolytic corrosion caused by insuating materials. Test methods
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Označení normy: | BS EN 60426:2007 |
Počet stran: | 30 |
Vydáno: | 2007-03-30 |
ISBN: | 978 0 580 50417 4 |
Status: | Standard |
DESCRIPTION
BS EN 60426:2007
This standard BS EN 60426:2007 Electrical insulating materials. Determination of electrolytic corrosion caused by insuating materials. Test methods is classified in these ICS categories:
- 29.035.01 Insulating materials in general
- 17.220.99 Other standards related to electricity and magnetism
- visual semi-quantitative method consisting in comparing visually the corrosion appearing on the anode and cathode metal strips, with those given in the reference figures. This method consists of the direct visual assessment of the degree of corrosion of two copper strips, acting as anode and cathode respectively, placed in contact with the tested insulating material under a d.c. potential difference at specified environmental conditions. The degree of corrosion is assessed by visually comparing the corrosion marks on the anode and cathode metal strips with those shown in the reference figures;
- quantitative method, which involves the tensile strength measurement, carried out on the same anode and cathode metal strips after visual inspection.
An additional quantitative test method for determining electrolytic corrosion, which involves tensile strength measurement of copper wire, is described in the informative Annex C.