IEC TS 61956:1999 

Methods of test for the evaluation of water treeing in insulating materials


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Prescribes methods of test for the evaluation of water treeing in polyethylene (PE) and crosslinked polyethylene (XLPE) compounds, as a means to assess their relative performance under alternating (a.c.) electric stress, in the presence of water. Two methods are described, method I covering the evaluation of insulating materials alone, and method II covering the evaluation of insulating sandwiches consisting of an insulating material in intimate contact with semiconducting screens.

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Additional information

Publication typeTechnical Specification
Publication date1999-10-08
Available language(s)English/French
TC/SCTC 112 - Evaluation and qualification of electrical insulating materials and systemsrss
ICS29.035.20 - Plastics and rubber insulating materials
Stability date  2023
File size316 KB

The following test report forms are related:

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