... CONVENTIONAL SINGLE COVER YARN (SCY) FOR NARROW WEAVING. DRAFT IS 3,5 AND 500-600TPM. ok for tailor-making. ... . We are the only spandex yarn producer in China with denier 10D, 15D, 20D, 30D, 40D, 70D, ... ACY yarns are mainly 40D or 70D spandex with polyester or nylon. Our product can be ... contact me for immediate support. 7070 SPANDEX/PA6 CONVENTIONAL SINGLE COVER YARN (SCY) FOR NARROW WEAVING WITH 3.5 ...