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BS 946 70th Edition, September 14, 1970
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Method for the Designation of yarns
Includes all amendments and changes through Reaffirmation Notice , November 1, 2012
Page Count:16
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Two methods for composition of yarns: single to fold, fold to single. Linear density using Tex system, number of filaments in filament yarns, direction and amount of twist, number of folds. For single, folded, cabled or multiple wound yarns.