标准编号：ISO 1890:2009
中文名称：增强纱线 捻度的测定
英文名称：Reinforcement yarns — Determination of twist
发布日期：2009-06
标准范围
This International Standard specifies a method for the determination of twist in yarns made from textile glass,carbon, aramid or any other reinforcement fibres.The method applies to single yarns (one twist) and to folded or cabled yarns (two or more twists). For foldedand cabled yarns, the method is generally applied only to the final twist step.This International Standard is applicable to package-wound yarns. If the measurement is carried out on yarnstaken from a beam (or warp) or from a fabric, the result is of an indicative nature only.The method is not applicable to products made from staple fibres.
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