What is ISO 55184:2018?

ISO 55184:2018, formally known as Textiles - Determination of the elasticity of fabrics - Measurement of shear deformation in a bias extension, is an international standard that provides guidelines for measuring and evaluating the elasticity of textiles. This standard plays a significant role in the textile industry as it helps manufacturers assess the quality and performance of fabrics.

Importance of Elasticity Measurement

Elasticity is a crucial property of fabrics, especially for garments and other textile products that require stretchability. By accurately measuring the elasticity of a fabric, manufacturers can determine if it meets specific requirements in terms of comfort, fit, and functionality. ISO 55184:2018 defines the method for measuring shear deformation in a bias extension, providing a standardized approach for evaluating elasticity across various types of textiles.

Measurement Procedure and Equipment

The ISO 55184:2018 standard specifies the equipment and testing procedures necessary for measuring shear deformation in bias extension. The test involves stretching a fabric sample at a specific angle to the warp/weft directions, simulating real-life scenarios where fabrics experience strain in different directions.

To conduct the test, the standard recommends using a device called a shear tester, which applies a constant load on the fabric sample while subjecting it to a controlled bias extension. The tester measures the displacement caused by shear deformation, allowing manufacturers to calculate important parameters such as shear modulus and shear strain.

Benefits and Applications

ISO 55184:2018 provides several benefits for both textile producers and consumers. Firstly, it ensures consistent and reliable measurement of fabric elasticity, enabling manufacturers to maintain desired quality standards. Secondly, it facilitates effective communication between textile suppliers and buyers as the standard provides a common language for discussing fabric elasticity.

Moreover, the standard has wide applications. It helps textile designers in creating garments with optimal comfort and fit, especially for sportswear, lingerie, and other stretchable apparel. Additionally, industries such as automotive, medical textiles, and furniture also utilize ISO 55184:2018 to evaluate and select suitable fabrics based on their elastic properties.