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BS EN ISO 2061:2015 – TC:2020 Edition

BS EN ISO 2061:2015 – TC:2020 Edition

$134.27

Tracked Changes. Textiles. Determination of twist in yarns. Direct counting method

Published By Publication Date Number of Pages
BSI 2020 42
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PDF Catalog

PDF Pages PDF Title
26 Foreword
27 1 Scope
2 Normative references
28 3 Terms and definitions
4 Principle
29 5 Apparatus
6 Standard atmosphere
7 Sampling
30 8 Test specimens
8.1 Length
8.1.1 Single spun yarns
8.1.2 Single multifilament, plied, and cabled yarns
8.2 Selection
8.3 Number of test specimens
31 9 Procedure 1 — Determination of the direction of twist
32 10 Procedure 2 — Determination of the amount of twist
10.1 Preliminary procedure
10.2 Single, spun yarn
10.3 Single, multifilament yarns
33 10.4 Plied yarns
10.5 Cabled yarns
34 11 Calculation of results
11.1 Average twist per specimen
11.2 Average twist per sample
11.3 Variation of observations
11.4 Change in length on untwisting
35 11.5 Twist factor (α)
12 Expression of results
13 Test report
13.1 General
13.2 Single yarns
36 13.3 Plied yarns
13.4 Cabled yarns
38 Annex A (informative) Suggested procedure for sampling
39 Bibliography

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BS EN ISO 2061:2015 - TC
$134.27