BS 1720:1951

Plain, unimpregnated tape, having selvedges. Tapes having all-cotton weft are excluded. Thickness 0.010 in or 0.015 in. Width and measurement, threads per inch, conducting inclusions, cotton content. Conditioning specimens for test, determination of length of roll, of thickness, of width, of cotton content, of conducting inclusions, tensile strength and ageing tests.