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BS EN ISO 2061:2015

BS EN ISO 2061:2015

$102.76

Textiles. Determination of twist in yarns. Direct counting method

Published By Publication Date Number of Pages
BSI 2015 22
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PDF Catalog

PDF Pages PDF Title
6 Foreword
7 1 Scope
2 Normative references
8 3 Terms and definitions
4 Principle
9 5 Apparatus
6 Standard atmosphere
7 Sampling
10 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
11 9 Procedure 1 — Determination of the direction of twist
12 10 Procedure 2 — Determination of the amount of twist
10.1 Preliminary procedure
10.2 Single, spun yarn
10.3 Single, multifilament yarns
13 10.4 Plied yarns
10.5 Cabled yarns
14 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
15 11.5 Twist factor (α)
12 Expression of results
13 Test report
13.1 General
13.2 Single yarns
16 13.3 Plied yarns
13.4 Cabled yarns
18 Annex A (informative) Suggested procedure for sampling
19 Bibliography

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BS EN ISO 2061:2015
$102.76