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BS EN IEC 60455-2:2023 – TC

BS EN IEC 60455-2:2023 – TC

$167.57

Tracked Changes. Resin based reactive compounds used for electrical insulation – Methods of test

Published By Publication Date Number of Pages
BSI 2023 94
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IEC 60455-2:2023 is available as IEC 60455-2:2023 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60455-2:2023 specifies methods of test to be used for testing resin based reactive compounds, their components and cured compounds used for electrical insulation. This fourth edition cancels and replaces the third edition published in 2015. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) Introduction of test methods related to IEC 60455-3-8; b) Additional and updated test methods for resins.

PDF Catalog

PDF Pages PDF Title
1 30480457
51 A-30406661
52 undefined
55 Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
59 English
CONTENTS
62 FOREWORD
64 INTRODUCTION
65 1 Scope
2 Normative references
68 3 Terms and definitions
4 General notes on methods of test
4.1 Preparation and conditioning
69 4.2 Sequence of tests
4.3 Test report
5 Methods of test for reactive compounds and their components
5.1 Flash point
5.2 Density
5.3 Viscosity
5.4 Viscosity after storing at elevated temperature
70 5.5 Content of volatile organic components
5.6 Isothermal increase of viscosity (processing time)
5.7 Shelf life
5.8 Colour
71 5.9 Softening temperature
5.10 Ash content
5.11 Filler content
5.12 Chlorine content
5.12.1 Total chlorine content of unsaturated polyesters and epoxide resins
5.12.2 Inorganic chlorine content of epoxide resins and glycidyl esters
5.12.3 Easily saponifiable chlorine content of epoxide resins and related materials
5.13 Tendency of crystallisation
5.14 Epoxide equivalent of epoxide resins
5.15 Content of isocyanate
5.16 Water content (Karl Fischer method)
72 5.17 Hydroxyl value
5.17.1 Polyester resins
5.17.2 Resins other than polyester
5.18 Acid value of polyester resins
5.19 Amount of double bonds of unsaturated polyester and acrylate resins
5.20 Acid and acid-anhydride content of acid-anhydride hardeners
5.21 Amine value
5.22 Pot life
5.22.1 General
5.22.2 Resinous compounds for cable accessories
73 5.23 Gel time
5.23.1 Unsaturated polyester based compounds
5.23.2 Phenolic resin based compounds
5.23.3 Other compounds
5.24 Exothermic temperature rise
5.24.1 Unsaturated polyester based compounds
5.24.2 Resinous compounds for cable accessories
74 5.25 Total volume shrinkage of epoxide and unsaturated polyester based compounds
5.26 Curing in presence of water
5.26.1 General
5.26.2 Apparatus and materials
5.26.3 Pouring device
5.26.4 Procedure
75 5.26.5 Test report
Figure 1 – Examination grid
76 5.27 Determination of the degree of curing
5.28 Curing in thick layer and emissions during curing
5.28.1 General
Figure 2 – Position of examination grid on the specimen
77 5.28.2 Equipment
5.28.3 Test specimen
5.28.4 Procedure
Table 1 – Condition of the top side
Table 2 – Condition of the bottom side
Table 3 – Condition of the interior
78 6 Methods of test for cured reactive compounds
6.1 General
6.2 Test specimens
6.2.1 General
6.2.2 Preparation of the reactive compound
Table 4 – Voids
79 6.2.3 Preparation of test specimens
6.2.4 Type and number of test specimens
6.3 Density
6.4 Mechanical properties
6.4.1 Tensile properties
6.4.2 Compressive properties
80 6.4.3 Flexural properties
6.4.4 Impact strength
6.4.5 Hardness
6.5 Thermal properties
6.5.1 Bond strength at elevated temperature
6.5.2 Linear thermal expansion
6.5.3 Thermal conductivity
81 6.5.4 Glass transition
6.5.5 Flammability
6.5.6 Thermal shock
6.5.7 Dry heat resistance of resins for cable accessories – Method of test
82 6.5.8 Wet heat resistance of resins for cable accessories
84 6.5.9 Loss of mass
85 6.5.10 Temperature index
86 6.6 Chemical properties
6.6.1 Water absorption
6.6.2 Effect of liquid chemicals
6.6.3 Resistance to mould growth
6.6.4 Water vapour permeability
6.7 Electrical properties
6.7.1 Effect of water immersion on volume resistivity
6.7.2 Dielectric dissipation factor (tan δ) and relative permittivity
6.7.3 Break down voltage and electric strength
88 6.7.4 Proof tracking index (PTI)
6.7.5 Electrolytic corrosion
89 Figure 3 – Example of electrode arrangement for flexible cured compound
90 Figure 4 – Example of electrode arrangement for rigid cured compound
91 Annex A (informative) Health and safety
92 Bibliography

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BS EN IEC 60455-2:2023 - TC
$167.57