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BS 5937-2:1980

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Pressboard and presspaper for electrical purposes Methods of test
Available format(s)

Hardcopy , PDF

Withdrawn date

05-15-1996

Language(s)

English

Published date

06-30-1980

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Withdrawn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

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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US$237.18
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