BS 5629-2:1979
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
12-06-2001
English
09-28-1979
National foreword
Cooperating organizations
Introduction
Section One - Test methods for varnishes as supplied
1. Density
2. Viscosity
3. Non-volatile matter
4. Drying time in thin films
5. Flash point
6. Dilution ability
7. Ability to cure in considerable thickness
8. Reaction of varnish with copper
9. Stability of varnish in an enclosed vessel
10. Stability of varnish in an open vessel
11. Effect of varnish on enamelled wires (pencil
hardness)
Section Two - Test methods for varnishes in the cured
form
12. Flexibility tests
12.1 Mandrel test
12.2 Cupping test (Erichsen test)
13. Bond strength
14. Resistance to insulating liquids
15. Effect of water immersion on volume resistivity
16. Effect of water immersion on electric strength
17. Resistance to tracking
18. Dissipation factor and permittivity
19. Thermal endurance
Figure 1. Apparatus for carrying out the flexibility
test
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