... , as for covering, spandex bare yarn can be covered with polyester yarn, cotton yarn, nylon yarn and etc, then can be used ... pants, denim or any other fabric. Our spandex bare yarn own good quality, it has wonderful elasticity and excellent ... former, when reached the destination.70D Spandex Yarn Specification Sheet Lycra Yarn Inspection characteristicsspecificationElongation at break%710±30Tension at ...