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BS 4145:1967
Specification for glass mica boards for electrical purposes.
STANDARD published on 31.3.1967
The information about the standard:
Designation standards: BS 4145:1967
Publication date standards: 31.3.1967
SKU: NS-66704
The number of pages: 22
Approximate weight : 66 g (0.15 lbs)
Country: British technical standard
Category: Technical standards BS
The category - similar standards:
Annotation of standard text BS 4145:1967 :
Requirements for two types of board for electrical purposes made from glass bonded mica powder, from 1/8 in (3.2 mm) up to 1/2 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. Status: Confirmed
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