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Description of BS 946:1970 1970This British Standard describes two methods of indicating the composition of yarns, whether single, folded, cabled or multiple wound. The designation comprises linear density indicated in the Tex System, number of filaments in filament yarns, direction and amount of twist, and number of folds. This designation has not yet been extended to some special kinds of yarns, e.g. to fancy yarns, textured or bulked yarns or yarns produced by wrapping a textile, or non-textile material, round a core; nor does it deal with other features such as constituent fibres, after-treatment and type of package. 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.
About BSIBSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses. |
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