The Comprehensive Guide to ACY (Air Covered Yarn)
The Comprehensive Guide to ACY (Air Covered Yarn) What is ACY (Air Covered Yarn)? Air Covered Yarn (ACY) is an advanced composite yarn where a core elastane (spandex) is wrapped with outer fibers (nylon, polyester, or cotton) using high-pressure air jets instead of mechanical twisting. This process creates a “networked” structure that […]