ASTM D4032-26
Standard Test Method for Stiffness of Fabric by the Circular Bend Procedure
| Standard number: | ASTM D4032-26 |
| Released: | 01.07.2026 |
| Status: | Active |
| Pages: | 6 |
| Section: | 07.01 |
| Keywords: | fabric; stiffness; |
| ASTM number: | ASTM D4032 |
| Supersedes: | D4032-08R16 |
1.1 This test method covers the determination of the stiffness of fabrics by the circular bend procedure.
1.2 This test method is generally applicable to all types of fabrics, including woven, knitted and nonwovens, of any fiber content.
Note 1: For other methods of testing for stiffness, refer to Test Methods D1388.
1.3 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.
1.4 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.
1.5 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.