Specification for varnished fabrics and tapes for electrical purposes

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

05-08-1966

Publisher

British Standards Institution

Fabrics woven from cotton, silk, nylon, polyethylene terephthalate (PTP) and glass, coated with varnish, in full width of 36 in approx. or slit into tape. Yellow and black in nominal thicknesses 4 mil (0.10 mm) to 10 mil (0.25 mm). Thickness, width, length, joins, packaging, electric proof strength at 20°C and at 90°C, tensile strength, tearing strength, decrease in tearing strength with heat ageing in air, acidity, varnish stability, extensibility, confirmation of glass fabric base; test methods in appendices.

This British Standard covers fabrics woven from cotton, silk, nylon polyethylene-terephthalate (PTP)⁵⁾ and glass, coated on both sides with varnish, and of nominal thickness from 4 mil (0.10 mm) to 10 mil (0.25 mm) supplied in the full width of approximately 36 inches (915 mm) or slit into tape. Although the types of varnished fabric are described throughout this standard as “yellow?? and “black??, any varnish having the appropriate properties but differing in colour may be used, by agreement between the purchaser and the supplier.

⁵⁾ See BS 3502, “List of common names and abbreviations for plastics??.

Committee	GEL/15/7
DevelopmentNote	Reviewed and confirmed by BSI, October 2012. (09/2012)
DocumentType	Standard
Pages	26
PublisherName	British Standards Institution
Status	Current

Standards	Relationship
IEC 60394-3-2:1988	Similar to

BS 5689-2:1979

Varnished fabrics for electrical purposes Methods of test

BS 3718:1964	Specification for laboratory humidity ovens (non-injection type)
BS 3218:1982	Specification for test tubes and boiling tubes
BS 2757(1956) : LATEST	DETERMINING THE THERMAL CLASSIFICATION OF ELECTRICAL INSULATION
BS 3502:1967	Schedule of common names and abbreviations for plastics and rubbers.
BS 870:1950	Specification for external micrometers
BS 2586:1965	Glass electrodes for the measurement of pH
BS 350:2004	Conversion factors for units

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BS 419:1966

Current

Abstract

Scope

General Product Information

International Equivalents

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