7070 SPANDEX/PA6 CONVENTIONAL SINGLE COVER YARN (SCY) FOR NARROW WEAVING. DRAFT IS 3,5 AND 500-600TPM. ok for tailor- ... , 40D, 70D, 140D, 280D, 420D, 560D, 840D, 1120D, 1680D. Our regular ACY yarns are mainly 40D or 70D spandex with polyester ... . 7070 SPANDEX/PA6 CONVENTIONAL SINGLE COVER YARN (SCY) FOR NARROW WEAVING WITH 3.5 DRAFT AND 500-600TPM.