ASTM D0204-02R21 - Standard Test Methods for Sewing Threads
Standard Test Methods for Sewing Threads
| Standard number: | ASTM D0204-02R21 |
| Released: | 01.07.2021 |
| Status: | Active |
| Pages: | 13 |
| Section: | 07.01 |
| Keywords: | breaking strength; colorfastness; diameter; dimensional change; length; sewing thread; strand; textile strand; twist; twist balance; yarn number; |
1.1 These test methods can be used to evaluate sewing threads of any fiber.
1.1.1 The test methods in this standard are intended to evaluate only sewing thread taken from thread holders.
1.2 These test methods only provide for the measurement of sewing thread physical properties. These test methods do not address any other properties that may be important for the satisfactory performance of sewing threads under particular end use conditions.
1.3 These test methods can be used to measure the following properties:
|
| Sections |
| Colorfastness to Drycleaning | 73 – 83 |
| Colorfastness to Laundering | 62 – 72 |
| Colorfastness to Water Migration | 84 – 94 |
| Diameter | 43 – 50 |
| Length per Thread Holder | 34 – 42 |
| Shrinkage, Single Strand | 51 – 61 |
| Dry Heat | 58.1 |
| Boiling Water | 58.2 |
| Strength and Elongation | 15 – 21 |
| Single Strand—Conditioned | 19.1.1 |
| Single Strand—Wet | 19.1.2 |
| Loop Strength | 19.2 |
| Knot Strength | 19.3 |
| Twist | 22 – 27 |
| Twist Balance | 28 – 33 |
| Yarn Number | 7 – 14 |
Note 1: For methods covering tests on prepared seams, refer to Test Methods D1683/D1683M and D3940.
1.4 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.