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Norm
ISO 1890:2009
Issue date: 2009 05 20
Reinforcement yarns — Determination of twist
ISO 1890:2009 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 ...
Valid
Publisher:
International Organization for Standardization
Format:
Digital | 5 Pages
Language:
English
ICS
ISO 1890:2009 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.
The 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.
ISO 1890:1986
1986 06 05
Textile glass — Continuous filament yarns and staple fibre yarns — Determination of twist
Norm
ISO 1890:1975
1975 06 01
Textile glass products — Continuous filament yarns and staple fibre yarns — Determination of twist
Norm
