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Norm
ÖNORM EN ISO 1890
Issue date: 2009 09 15
Reinforcement yarns - Determination of twist (ISO 1890:2009)
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 meth...
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Publisher:
Austrian Standards International
Format:
Digital | 9 Pages
Language:
German
| English
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ICS
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 folded and 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 yarns taken 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.
Norm
ISO 291:2008
Issue date :
2008 04 22
Plastics — Standard atmospheres for conditioning and testing
Norm
ISO 2:1973
Issue date :
1973 09 01
Textiles — Designation of the direction of twist in yarns and related products
Norm
ISO 291:2008
Issue date :
2008 04 22
Plastics — Standard atmospheres for conditioning and testing