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IEC 60426 : 2.0

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IEC 60426 : 2.0

ELECTRICAL INSULATING MATERIALS - DETERMINATION OF ELECTROLYTIC CORROSION CAUSED BY INSULATING MATERIALS - TEST METHODS

International Electrotechnical Committee

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Table of Contents

FOREWORD
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

Abstract

Describes 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.

General Product Information

Document Type Standard
Status Current
Publisher International Electrotechnical Committee
Committee TC 112