Polyester Spandex Air Covered Yarn
75d/36f + 20d White
75d/36f + 20d Black
75d/36f + 15d White
75d/36f + 15d Black
Naylon Spandex Air Covered Yarn
70d/24f + 20d White
70d/24f + 20d Black
70d/24f + 15d White
70d/24f + 15d Black
Spandex Air Covered Yarn
The strength and elongation of air covered yarn increases with the increase of the pre-draft ratio of spandex. When the draft reaches a certain value, the retraction of spandex yarn makes the outer fiber curl; with the increase of the predraft ratio, the percentage of spandex decreases.