NBN EN 60426 : 2007

INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 General description of the test method
5 Test specimens
   5.1 General
   5.2 Cut surfaces of rigid materials (blocks, plates, sheets
       or semi-finished materials)
   5.3 Cast, moulding, injection and pressed materials
   5.4 Cut surfaces of flexible films, foils and thin sheets
   5.5 Adhesive tapes
   5.6 Flexible sleeving and tubing
   5.7 Lacquers and insulating varnishes
   5.8 Cleanliness of contact surfaces
   5.9 Number of test specimens
6 Test strips
   6.1 General
   6.2 Preparation of the test strips
   6.3 Cleanliness of test strips
7 Test device
8 Test conditions
9 Test procedure
10 Evaluation
   10.1 General evaluation
   10.2 Visual inspection of the test strips
   10.3 Tensile strength of test strips
11 Evaluation of corrosion on copper strips
12 Test report
Annex A (normative) Tables for the evaluation of corrosion on
                      brass and aluminium strips
Annex B (informative) Notes on visual evaluation
Annex C (informative) Copper wire tensile strength method
Annex ZA (normative) Normative references to international
                      publications with their corresponding
                      European publications

Determines the ability of insulating materials to produce electrolytic corrosion on metals being in contact with them under the influence of electric stress, high humidity and elevated temperature.