BS 419:1966
Current
The latest, up-to-date edition.
Specification for varnished fabrics and tapes for electrical purposes
Hardcopy , PDF
English
05-08-1966
Important note : All end users must be registered with an Account prior to user licenses being assigned.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.
| Committee |
GEL/15/7
|
| DevelopmentNote |
Reviewed and confirmed by BSI, October 2012. (09/2012)
|
| DocumentType |
Standard
|
| Pages |
26
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
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??.
| Standards | Relationship |
| UNE-EN 25580:1993 | Identical |
| UNE-EN ISO 105-X04:1998 | Identical |
| 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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