BS 5937-2:1980
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
View Superseded by
Pressboard and presspaper for electrical purposes Methods of test
Hardcopy , PDF
15-05-1996
English
30-06-1980
Important note : Users cannot be edited or removed once added to your Multi user PDF.
National foreword
Cooperating organizations
Methods of test
1 General notes on tests
2 Thickness
3 Apparent density
4 Tensile strength and elongation
5 Internal tearing resistance
6 Edge tearing resistance
7 Compressibility
8 Flexibility
9 Shrinkage
10 Cohesion between plies
11 Moisture content
12 Ash content
13 Conductivity of aqueous extract
14 pH of aqueous extract
15 Conductivity of organic extract
16 Contamination of liquid dielectrics
17 Oil absorption
18 Conducting paths
19 Presence of metallic particles
20 Electric strength
21 D.C. electric strength (under consideration)
22 Impulse electric strength (under consideration)
Figures
Covers solid pressboard and presspaper, dyed or natural coloured, having a calendered or non-calendered finish and supplied in an unimpregnated condition. Includes pre-compressed pressboard but excludes laminated material and strawboard.
| Committee |
GEL/15
|
| DevelopmentNote |
IMPLEMENTS CENELEC HD 410.2.
|
| DocumentType |
Standard
|
| Pages |
24
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| SupersededBy |
| Standards | Relationship |
| IEC 60641-2:2004 | Identical |
| UNE-EN 12011:1998 | Identical |
| BS 5691-2:1995 | Guide for the determination of thermal endurance properties of electrical insulating materials Choice of test criteria |
| BS 6091-2:1987 | Vulcanized fibre for electrical purposes Methods of test |
| ISO 1974:2012 | Paper — Determination of tearing resistance — Elmendorf method |
| IEC 60296:2012 RLV | Fluids for electrotechnical applications - Unused mineral insulating oils for transformers and switchgear |
| IEC 60247:2004 | Insulating liquids - Measurement of relative permittivity, dielectric dissipation factor (tan d) and d.c. resistivity |
| ISO 1924:1976 | Paper and board Determination of tensile strength |
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