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ASTM D204-02
ASTM D204-02 Standard Test Methods for Sewing Threads
standard by ASTM International, 09/10/2002
Full Description
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 D 1683 and D 3940.
1.4 The values stated in SI units are to be regarded as standard; the values in English units are provided as information only and are not exact equivalents.
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 and health practices and determine the applicability of regulatory limitations prior to use.
