Yarn Grading: I often check with grading specs, which include things like the diameter and uniformity of yarn strands. A constant diameter presents far better appearance and general performance of fabrics. Elasticity，durability，breathability，versatility，form retention，very good dyeability，lightweight Warmth sensitivity: Spandex can be harmed by high temperatures, which can trigg... https://andrewq355hcv9.blog-a-story.com/profile