ISO 16322-2:2021
Textiles — Determination of spirality after laundering — Part 2: Woven and knitted fabrics
This document specifies three procedures (diagonal marking, inverted-T marking and mock-garment marking) to measure the spirality or torque of woven and knitted fabrics after domestic laundering.
The results obtained from different procedures will not always be comparable.
This document is not intended to measure the spirality of fabrics as manufactured, but rather the spirality after laundering.
NOTE Some fabric constructions, such as denim, can have spirality intentionally introduced during manufacturing. Fabrics made on circular knitting machines can have inherent nonverticality of wale alignment.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Conditioning
7 Test specimen preparation and marking procedures
7.1 Procedure A — Diagonal marking
7.1.1 Test specimen preparation
7.1.2 Diagonal marking procedure
7.2 Procedure B — Inverted-T marking
7.2.1 Test specimen preparation
7.2.2 Inverted-T marking
7.3 Procedure C — Mock-garment marking
7.3.1 Test specimen preparation
7.3.2 Mock-garment marking
8 Laundering
8.1 Laundering conditions
8.2 Laundering cycles
8.3 Conditioning
9 Assessment
9.1 General
9.2 Assessment by procedure
9.2.1 Procedure A — Diagonal marking
9.2.2 Procedure B — Inverted-T marking
9.2.3 Procedure C — Mock-garment marking
10 Test report
Bibliography
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Conditioning
7 Test specimen preparation and marking procedures
7.1 Procedure A — Diagonal marking
7.1.1 Test specimen preparation
7.1.2 Diagonal marking procedure
7.2 Procedure B — Inverted-T marking
7.2.1 Test specimen preparation
7.2.2 Inverted-T marking
7.3 Procedure C — Mock-garment marking
7.3.1 Test specimen preparation
7.3.2 Mock-garment marking
8 Laundering
8.1 Laundering conditions
8.2 Laundering cycles
8.3 Conditioning
9 Assessment
9.1 General
9.2 Assessment by procedure
9.2.1 Procedure A — Diagonal marking
9.2.2 Procedure B — Inverted-T marking
9.2.3 Procedure C — Mock-garment marking
10 Test report
Bibliography