IEC 60684-2:2011

IEC 60684-2 ®
Edition 3.0 2011-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Flexible insulating sleeving –
Part 2: Methods of test
Gaines isolantes souples –
Partie 2: Méthodes d’essai
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IEC 60684-2 ®
Edition 3.0 2011-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Flexible insulating sleeving –
Part 2: Methods of test
Gaines isolantes souples –
Partie 2: Méthodes d’essai
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX XC
ICS 17.220.99 ISBN 978-2-88912-618-7

– 2 – 60684-2 © IEC:2011
CONTENTS
FOREWORD . 5
INTRODUCTION . 7
1 General . 8
2 Test conditions . 10
3 Measurements of bore, wall thickness and concentricity . 10
4 Density . 12
5 Resistance to splitting after heating . 13
6 Heat shock (resistance to heat) . 13
7 Resistance to soldering heat . 14
8 Loss in mass on heating of uncoated textile glass sleeving . 14
9 Longitudinal change . 15
10 Deformation under load (resistance to pressure at elevated temperature) . 16
11 Thermal stability of PVC sleeving . 18
12 Volatile content of silicone sleeving . 19
13 Bending after heating . 19
14 Bending at low temperature . 20
15 Brittleness temperature . 20
16 Dimensional stability on storage (applicable to heat-shrinkable sleeving only) . 21
17 Hydrolysis of coating . 21
18 Flexibility (extruded sleeving only) . 22
19 Tensile strength, tensile stress at 100 % elongation, elongation at break and secant
modulus at 2 % elongation . 22
20 Fraying resistance test . 26
21 Breakdown voltage . 27
22 Insulation resistance . 29
23 Volume resistivity . 30
24 Permittivity and dissipation factor . 31
25 Resistance to tracking . 32
26 Flame propagation tests. 32
27 Oxygen index . 35
28 Transparency . 35
29 Ionic impurities test . 35
30 Silver staining test . 36
31 Electrolytic corrosion resistance . 36
32 Corrosion resistance (tensile and elongation) . 37
33 Copper corrosion (presence of corrosive volatiles) . 37
34 Colour fastness to light . 38
35 Resistance to ozone . 39
36 Resistance to selected fluids . 39
37 Thermal endurance . 40
38 Mass per unit length . 40
39 Heat ageing . 41

60684-2 © IEC:2011 – 3 –
40 Water absorption . 42
41 Restricted shrinkage (applicable to heat-shrinkable sleeving only) . 42
42 Colour stability to heat . 43
43 Smoke index . 43
44 Toxicity index . 48
45 Halogen content. 53
46 Acid gas generation . 55
47 Hot elongation and hot set . 55
48 Tension set (applicable to elastomeric sleeving only) . 56
49 Tear propagation (applicable to elastomeric sleeving only) . 56
50 Long term heat ageing (3 000 h) . 57
51 Dynamic shear at ambient temperature . 57
52 Dynamic shear at elevated temperature . 58
53 Dynamic shear after heat shock and heat ageing . 58
54 Rolling drum peel to aluminium . 59
55 Aluminium rod dynamic shear . 59
56 Sealing . 60
57 Adhesive T peel strength of two bonded heat-shrinkable substrates . 61
58 Circumferential extension . 62
59 Voltage proof . 63
60 Thermal shock . 63
Bibliography . 82

Figure 1 – Specimen for test resistance to soldering heat . 64
Figure 2 – Examples of sleeving after being subjected to test for resistance to soldering
heat . 65
Figure 3 – Arrangement for the test for resistance to pressure at elevated temperature
(Method A) . 65
Figure 4 – Arrangement for deformation under load (Method B) . 66
Figure 5 – Dumb-bell specimen for tensile strength test (ISO 37 Type2) . 67
Figure 6 – Dumb-bell specimen for tensile strength test (ISO 37 Type 1) . 67
Figure 7 – Sketch of fray test arrangement . 68
Figure 8 – Specimen for insulation resistance test . 69
Figure 9 – Standard propane burner for flame propagation test (sectional view) . 70
Figure 10 – Flame propagation test – Method A .
...