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 |
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 |
