BS 4145:1967 - Specification for glass mica boards for electrical purposes

BS 4145:1967

Specification for glass mica boards for electrical purposes

Status : Confirmed, Current   Published : March 1967



Requirements for two types of board for electrical purposes made from glass bonded mica powder, from $9B in (3.2 mm) up to $9H in (12.7 mm) in thickness. Definitions, classifications, finish, flatness, thickness, electric strength proof test in oil, surface electric strength proof test in air, insulation resistance, carbon arc test, spirit burner test, water absorption, deformation under compression, shear strength and cross breaking strength. Methods of test given in appendices.

Standard NumberBS 4145:1967
TitleSpecification for glass mica boards for electrical purposes
StatusConfirmed, Current
Publication Date31 March 1967
Confirm Date01 May 2017
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
DescriptorsSolid electrical insulating materials, Dielectric-strength tests, Test equipment, Electrical testing, Dielectric strength, Glass, Breaking load, Circuits, Water absorption, Shear strength, Specimen preparation, Boards, Shear testing, Fire tests, Water-absorption tests, Thickness, Mechanical testing, Insulating boards, Electrical insulation, Electrical insulating materials, Compression testing, Mica, Deformation
Title in FrenchPlaquettes de mica vitrifie a usages electriques. Specification
Title in GermanGlasglimmerplatten fuer den elektrischen Gebrauch. Spezifikation
ISBN0 580 04117 4
File Size557.1 KB

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