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1.1 This test method covers the measurement of compression resistance and recovery properties of any type of highloft nonwoven fabric using a simplistic and economical applied static weight loading technique.

1.2 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.

1.3 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 test method offers two options for the measurement of compression resistance and recovery properties. Option 1 contains fewer steps and is, therefore, simpler. Option 2 makes more measurements and provides more details about the behavior of a fabric under these test conditions.

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.

5.1 The ability of a highloft nonwoven fabric to resist compression and recovery and elastic loss after compression are two basic physical properties that are measured to set specifications for certain end-use applications. This test method provides an inexpensive alternative for highloft producers, their suppliers and customers to determine compression resistance, and recovery properties thus better predicting their performance in the finished product.

5.2 Compression resistance and recovery performance requirements of highloft nonwovens will vary according to the end-use application. Furniture, bedding apparel, and industrial applications do not require the same property values to satisfy their individual consumers. They will require resistance to compression and the ability to recover to some degree.

5.3 Option 1 of this test method is used in the trade for the acceptance testing of commercial shipments. Compression recovery graphs from Option 2 can be helpful in comparing performance of different highloft nonwoven fabrics.