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BS EN ISO 2061:2015

Current
Current

The latest, up-to-date edition.

Textiles. Determination of twist in yarns. Direct counting method
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

07-31-2015

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Standard atmosphere
7 Sampling
8 Test specimens
9 Procedure 1 - Determination of the direction of twist
10 Procedure 2 - Determination of the amount of twist
11 Calculation of results
12 Expression of results
13 Test report
Annex A (informative) - Suggested procedure for sampling
Bibliography

Describes a method for the determination of the direction of twist in yarns, the amount of twist, in terms of turns per unit length, and the change in length on untwisting, by the direct counting method.

Committee
TCI/100
DevelopmentNote
Supersedes BS 2085(1973) and 93/313169 DC. (09/2005)
DocumentType
Standard
Pages
22
PublisherName
British Standards Institution
Status
Current
Supersedes

BS 7F 34:2002 Light and medium duty linen (flax) sewing thread for aerospace purposes
BS 2F 134:2002 Continuous filament polyester sewing thread suitable for aerospace purposes
BS 3F 126:2002 35 g/m<sup>2</sup> nylon parachute fabric
BS 4F 119:2002 145 g/m<sup>2</sup> to 235 g/m<sup>2</sup> nylon parachute fabric
BS 5F 118:2002 50 g/m<sup>2</sup> nylon parachute fabric
BS 5F 58:2002 Cotton thread for aerospace purposes
BS 5F 120:2002 Continuous filament nylon sewing threads for aerospace purposes
BS 5F 54:2002 Heavy duty linen (flax) sewing thread for aerospace purposes

ISO 2:1973 Textiles Designation of the direction of twist in yarns and related products
ISO 1890:2009 Reinforcement yarns Determination of twist
ISO 7211-4:1984 Textiles — Woven fabrics — Construction — Methods of analysis — Part 4: Determination of twist in yarn removed from fabric
ISO 139:2005 Textiles Standard atmospheres for conditioning and testing

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