... COVER YARN (SCY) FOR NARROW WEAVING. DRAFT IS 3,5 AND 500-600TPM. ok for tailor-making. This is ... service. We are the only spandex yarn producer in China with denier 10D, 15D, 20D, 30D, 40D, 70D, 140D, 280D ... Our regular ACY yarns are mainly 40D or 70D spandex with polyester or nylon. Our product can be used in ... PA6 CONVENTIONAL SINGLE COVER YARN (SCY) FOR NARROW WEAVING WITH 3.5 DRAFT AND 500-600TPM.