BS 3057:1958
$142.49
Specification for untreated asbestos paper for electrical purposes
Published By | Publication Date | Number of Pages |
BSI | 1958 | 31 |
Two types depending on amount of organic binder; second type has greater mechanical strength and minimum number of conducting paths. Thicknesses 5 to 10 mils, surface finish. Tests for thickness, substance, electric strength, tensile strength, bursting strength after ageing, moisture content, freedom from conducting paths, loss of weight on ignition.