BS 6893-2:1987
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Flexible insulating sleeving for electrical purposes Methods of test
Hardcopy , PDF
15-12-1997
English
23-12-1987
National foreword
Committees responsible
Methods
Introduction
1. Scope
2. Test conditions
3. Measurements of bore and wall thickness
4. Density
5. Resistance to splitting after heating
6. Resistance to heat
7. Resistance to soldering heat
8. Loss in mass on heating of uncoated textile glass
sleeving
9. Longitudinal change
10. Resistance to pressure at elevated temperature
11. Thermal stability of p.v.c. sleeving
12. Volatile content of silicone sleeving
13. Bending after heating
14. Bending at low temperature
15. Brittleness temperature
16. Dimensional stability on storage
17. Hydrolysis of coating
18. Flexibility
19. Tensile strength, elongation at break and secant
modulus at 2% or 100% elongation
20 Fraying resistance test
21. Breakdown voltage
22. Insulation resistance
23. Volume resistivity
24. Permittivity and dissipation factor
25. Resistance to tracking
26. Flame propagation tests
27. Flammability - Oxygen index tests
28. Transparency
29. Ionic impurities test
30. Silver staining test
31. Electrolytic corrosion resistance
32. Corrosion resistance (tensile and elongation method)
33. Presence of corrosive volatiles (copper mirror
method)
34. Colour fastness to light
35. Resistance to ozone
36. Resistance to selected fluids
37. Thermal endurance
Appendices
A. Weather resistance
B. Mould growth
Figures
1. Weighted gauges for measuring bore of textile
sleeving
2. Specimen for test for resistance to soldering heat
3. Examples of sleeving after being subjected to test
for resistance to soldering heat
4. Arrangement for the test for resistance to pressure
at elevated temperature
5. Apparatus for flexibility test
6. Dumb bell specimen for tensile strength test
7. Sketch of fray test arrangement
8. Arrangement for shot bath electric strength test
9. Specimen for insulation resistance test
10. Standard propane burner for flame propagation test
(Sectional view)
11. Flame propagation test - Method A
12. Flame propagation test - Method B
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