Cut a 10cm x 10cm sample with a seam sewn exactly as the pattern dictates. Using a tensile strength tester (or a simple clamp and hanging weight), apply increasing load.
In the world of woven and knitted textiles, few issues are as frustrating as the phenomenon known as "rayon design crack." Despite its name, this defect isn't always limited to rayon fibers, but it is most visible and structurally damaging in rayon-based fabrics due to the fiber’s unique physical properties. If you work in garment production, quality assurance, or fabric sourcing, understanding this defect is critical to reducing waste and customer returns. rayon design crack